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Best Combination Boiler And Hot Water Heater (2024 Update)

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If you’re looking for a convenient solution to your home’s heating and hot water needs, a combination boiler and hot water heater might be the perfect option for you. This type of appliance combines the functionality of a boiler and a hot water heater into one unit, providing you with an all-in-one heating and hot water system that takes up less space in your home.

Before investing in a combination boiler and hot water heater, there are a few factors to consider. Firstly, it’s important to assess your home’s heating and hot water needs to determine the size of the unit that will be right for you. You should also consider the energy efficiency of the unit and its ease of installation and maintenance. Additionally, you may want to consider the brand and warranty offered by the manufacturer to ensure you’re making a reliable purchase.

If you’re still not sure whether a combination boiler and hot water heater is the right option for your home, consider the following questions: Are you looking to save space in your home? Do you want an appliance that is energy efficient and cost-effective in the long run? Are you willing to invest in a quality appliance that will last for years to come? By answering these questions, you’ll have a better idea of whether a combination boiler and hot water heater is the right investment for you.

10 Best Combination Boiler And Hot Water Heater

# Product Image Product Name Product Notes Check Price
1
The product is ideal for quickly boiling water with safety features like auto shut-off and boil-dry protection.
2
The product is ideal for quickly heating water and keeping it warm, while ensuring safety with automatic shut-off and boil dry protection.
3
The product is ideal for quickly heating and maintaining hot water for tea, coffee, and other hot beverages.
4
Ideal for quickly heating and dispensing hot water for coffee and tea, with safety features like auto shut off and a safety lock.
5
Ideal for heating and keeping water warm, perfect for households or offices with a higher demand for hot water.
6
Ideal for commercial use in tea and coffee shops, restaurants, offices, and homes with a need for hot water on demand.
7
The product is ideal for quickly and easily heating and dispensing hot water, with precise temperature control.
8
The product is ideal for dispensing hot water quickly and easily for making tea or coffee.
9
Ideal for keeping large amounts of water hot or boiling for extended periods, suitable for households or small businesses.
10
This electric water heater is ideal for providing hot water on demand with a digital display and overheating protection.
The product is ideal for quickly boiling water with safety features like auto shut-off and boil-dry protection.
The product is ideal for quickly heating water and keeping it warm, while ensuring safety with automatic shut-off and boil dry protection.
The product is ideal for quickly heating and maintaining hot water for tea, coffee, and other hot beverages.
Ideal for quickly heating and dispensing hot water for coffee and tea, with safety features like auto shut off and a safety lock.
Ideal for heating and keeping water warm, perfect for households or offices with a higher demand for hot water.
Ideal for commercial use in tea and coffee shops, restaurants, offices, and homes with a need for hot water on demand.
The product is ideal for quickly and easily heating and dispensing hot water, with precise temperature control.
The product is ideal for dispensing hot water quickly and easily for making tea or coffee.
Ideal for keeping large amounts of water hot or boiling for extended periods, suitable for households or small businesses.
This electric water heater is ideal for providing hot water on demand with a digital display and overheating protection.

1. Mueller Speedboil Glass Electric Kettle

The Mueller Ultra Kettle is a product that is designed to provide users with the purest tasting water. It is made with the finest quality Borosilicate Glass, which is known for its durability and long-lasting ability. The kettle also features 304 stainless steel and heat-resistant copolyester, which ensures that the water remains fresh and safe for consumption.

Safety is a top priority with the Mueller Ultra Kettle. It is equipped with a high-quality thermostat controller that ensures the water is heated to the desired temperature, which automatically shuts off within 30 seconds after the water is fully boiling. Additionally, it has a boil-dry safety feature that turns off the kettle if it detects there is no water inside. The kettle is built with a Heat-Resistant Anti-Slip Grip Handle, making it safe and easy to handle.

One of the standout features of the Mueller Ultra Kettle is its speed. It is equipped with bright LED’s which indicate the kettle is heating. The controller with Mueller SpeedBoil circuitry will boil the water lightning fast and be ready to use for tea, oatmeal, coffee, pasta and much more. This makes it perfect for users who are always on the go and need their water boiled quickly.

The Mueller Ultra Kettle is also incredibly versatile. It is completely cordless when off the base, allowing for easy and unobstructed pouring. The 360° Clear Rotational Glass Body is perfect for precise measuring of water, making it an ideal choice for those who need to measure their water accurately.

2. Fast-Boil Electric Glass Kettle By Topwit

The Topwit electric glass kettle is an elegant and stylish addition to any kitchen with its stunning transparent design, making it even more attractive. The indicator technology automatically lights up to indicate heating and shuts off after boiling, providing convenience and ease of use.

This electric kettle is made of food-grade borosilicate glass and 304 stainless steel, making it not only visually appealing but healthier too. The borosilicate glass is highly resistant to thermal shock, giving it a longer lifespan. The kettle is also BPA-free, and the inner lid and bottom are made of 100% stainless steel, ensuring your safety and health.

With a total capacity of 2 liters and a 1000 watts power output, this electric kettle can quickly boil water for coffee, tea, or any other hot drinks for your family or friends. The large opening design allows for easy cleaning of the kettle's interior, making maintenance a breeze.

The Topwit electric glass kettle has an advanced temperature controller, ensuring that it has auto shut off and boil dry protection technology for safety. The stay-cool handle provides easy and safe handling, preventing burns.

The Topwit service team is always ready to provide genuine customer service, ensuring that your needs and questions are met. If you're looking for an elegant, efficient, and safe electric kettle, the Topwit electric glass kettle is an excellent choice.

3. Zojirushi Cd-Nac40bm Micom Water Boiler & Warmer, 4.0 Liter, Metallic Black

The new product on Amazon boasts an array of features that will surely elevate your tea or coffee experience. Among these features are the four keep warm temperature settings that range from 160°F to 208°F, allowing you to customize the temperature according to your preference. Additionally, the product also has an Optional Quick Temp Mode that offers three temperature options: 160°F, 175°F, or 195°F, perfect for those who are always on the go.

Serving warm beverages has never been more convenient with the product's one-touch electric dispensing system. Its swivel base adds to the ease of serving, allowing you to pour without any awkward maneuvering.

Cleaning up after use is also a breeze with the product's nonstick interior, ensuring that no residue sticks to the surface. Furthermore, the product is BPA-free, ensuring that all surfaces that come into contact with your food or beverage are safe.

The product also features an LCD display that shows the actual water temperature at all times. This feature allows you to monitor the temperature and ensure that your beverage is always at the desired temperature.

4. Hot Water On Demand: Nutrichef Dispenser

Introducing the Hot Water Dispenser, a convenient and efficient way to dispense hot water quickly and easily. With a large capacity of 3L, this water boiler can boil water to 212°F in just minutes, making it perfect for instant coffee, tea, and soups.

The Hot Water Dispenser features three dispensing methods, including automatic, manual dispense, and cup switch, which activates by simply holding the cup up to the switch behind the spout. This makes it easy to customize the amount of water being dispensed, ensuring that you always have the perfect amount for your needs.

Equipped with a 360° rotating base, this water boiler allows you to access hot water from any angle, making dispensing easier, especially when the tank is full. The rotating platform also ensures that the Hot Water Dispenser is safe for placement on any table or countertop.

In addition, the Hot Water Dispenser comes with a built-in LED light that illuminates when dispensing. This, combined with the visible water and clear level mark, makes it easy to control water capacity and add water in time.

Safety is a top priority, and the Hot Water Dispenser comes with an auto shut-off feature. The 750W insulated pot keeps water warm throughout the day, making hot water readily available anytime. Once the pot is empty, it will shut itself off, preventing any potential damage or accidents. Additionally, there is a dispense button safety lock to ensure that accidental pouring does not occur.

Finally, the Hot Water Dispenser features an adjustable temperature control. You can heat the water directly to the selected Keep Warm temperature (149°F, 185°F, and 208°F only) without reaching a boil. This ensures that the water will reach the selected Keep Warm temperature quicker than regular mode, saving you time and energy.

5. Zojirushi Cd-Lfc30 Panorama Window Micom Water Boiler And Warmer, 101 Oz/3.0 L, White

Introducing the Micom Water Boiler and Warmer – a state-of-the-art appliance that is designed to make your tea or coffee brewing experience a breeze. With its impressive range of features, this product is an absolute must-have for any tea or coffee lover.

One of the standout features of this product is its four keep warm temperature settings. These settings (160 DegreeF, 175 DegreeF, 195 DegreeF, 208 DegreeF) allow you to keep your water at the perfect temperature for your desired beverage. Whether you prefer a hot cup of tea or a warm cup of coffee, this appliance has got you covered.

The Micom Water Boiler and Warmer also features an optional Quick Temp mode that allows you to reach your desired keep warm temperature (160 DegreeF, 175 DegreeF, or 195 DegreeF) directly without reaching a boil. This means that you can enjoy your beverage faster and without having to wait for the water to boil.

Another impressive feature of this product is its one-touch electric dispensing system. This system allows you to dispense water with just the touch of a button, making it incredibly easy to use. Additionally, the easy-to-read Panorama Window water level gauge ensures that you can always keep track of how much water is left in the appliance.

6. 15l Commercial Hot Water Dispenser With Filter

Introducing the Water Boiler with Stepwise Heating, a must-have for those who value convenience and safety. This innovative product heats water layer by layer, ensuring that hot and cold water do not mix, while also eliminating the need for reheating. Additionally, it is equipped with a built-in filter that allows you to enjoy healthier water.

With a powerful 1500w heating element, the Water Boiler quickly heats water to your desired temperature, providing hot water anytime you need it. The Microcomputer Intelligent System, controlled by an LCD panel, ensures that the temperature is always just right and helps save power by shutting off and turning on automatically.

The Water Boiler has a generous 15-liter capacity and can deliver up to 5 liters of hot water at once, making it perfect for families or small offices. Its impressive 40L/H hot water yield ensures that there is always enough hot water to meet the needs of multiple people.

Safety is a top priority with the Water Boiler. It is equipped with a Multiple Safety Protection System that includes anti-overheating, anti-scalding, anti-dry-burning, and anti-steam protection. You can drink with confidence, knowing that you are protected from any potential hazards.

The Water Boiler is also designed with Three-Layered Insulation, consisting of a food-grade double-layer stainless steel liner and a PU foam interlayer. This innovative insulation effectively blocks the inner and outer temperature alternately to make the insulation better, ensuring that your water stays at the perfect temperature for longer periods.

7. Zojirushi Cd-Wcc30 Micom Water Boiler & Warmer, Silver

The 101 oz. / 3.0 liters coffee maker is a reliable and efficient appliance that can satisfy the needs of any coffee lover. Designed to offer a seamless coffee-making experience, this coffee maker comes with a range of features that ensure a consistently great cup of coffee every time.

One of the standout features of this coffee maker is the cafe drip dispensing mode, which allows for slower dispensing of coffee, resulting in a more flavorful and aromatic cup. Additionally, the safety auto shut-off feature ensures that the coffee maker turns off automatically after a certain period of time, preventing any potential accidents or hazards.

For those concerned about the safety of their food and beverages, the coffee maker is BPA-free, ensuring that all surfaces that come into contact with food or beverage are free of harmful chemicals. Additionally, the coffee maker comes with a dechlorinate and descaling mode, making it easy to clean and maintain.

Operating at 120 Volts / 700 watts, this coffee maker is powerful yet energy-efficient, making it an ideal choice for those who want a reliable appliance that doesn't consume too much electricity. Whether you're a coffee aficionado or simply looking for a reliable coffee maker for your home or office, this 101 oz. / 3.0 liters coffee maker is sure to meet your needs with its range of features and capabilities.

8. Cuckoo Hot Water Urn: Safe, Instant, Coffee!

Introducing a highly efficient and reliable water boiler that is sure to impress! This product boasts an impressive heating system that quickly and efficiently boils water using only 750W of power. Even after boiling, it only uses 100W to maintain the temperature, ensuring energy efficiency.

What's more, this water boiler comes with a Chlorine Removal mode that effectively removes harmful chlorine and other impurities while sterilizing the water. Simply press the Chlorine Removal button, and the water will be boiled at 100℃ for an additional 2-3 minutes, leaving you with clean and fresh-tasting water.

Safety is also a top priority with this product. It comes equipped with child locks on the lid and dispenser buttons to prevent accidental spills and ensure safety around young children.

When it comes to convenience, this water boiler ticks all the boxes. It features a 360-degree rotation design, allowing for convenient use in any direction or angle. Plus, its detachable structure makes it incredibly easy to add or remove water and to clean.

But that's not all – this water boiler also comes with a 3-layer insulation system that prevents the surface from getting hot, even after heating, while providing excellent heat retention. You can rest assured that your water will stay hot for longer periods of time.

9. Zojirushi Cd-Whc40xh Micom Water Boiler & Warmer, 135 Oz, Stainless Gray

The Micro Computerized Temperature Control System with 4 Keep Warm Temperature Settings is a versatile and reliable device that is perfect for any household. With its state-of-the-art technology, this product ensures that your beverage is always at the perfect temperature, and the easy-to-read water level gauge allows you to monitor the water level at all times.

One of the standout features of this appliance is the four keep warm temperature settings, which range from 160 to 208 degrees F. This allows you to choose the perfect temperature for your beverage, ensuring that it stays at the perfect temperature for as long as you need.

Additionally, the optional Quick Temp Mode is perfect for those who are in a rush. This mode reaches 160, 175, or 195 degrees F keep warm directly without reaching a boil, making it perfect for those who need their beverage quickly.

The new rust-resistant stainless steel interior and easy-to-clean clear coated stainless steel body make this appliance both durable and easy to clean. The safety auto shut-off feature also ensures that the appliance will never boil dry, which adds an extra layer of safety to your kitchen.

This product is also BPA-free, which means that all surfaces that come into contact with food or beverage are completely safe to use. The automatic dispense-lock adds an extra layer of safety, while the swivel base makes serving easier than ever before.

Finally, the dechlorinate and descaling mode, along with the detachable lid, ensures that this appliance is easy to maintain. With an electrical rating of 120 volts and 700 watts, you can rest assured that this appliance is both reliable and efficient. Overall, the Micro Computerized Temperature Control System with 4 Keep Warm Temperature Settings is a must-have appliance for any household.

10. Electric Hot Water On-Demand

Looking for an instant and efficient way to get hot water for your sink? Look no further than this electric water heater. With a 5.5KW heating system, this tankless unit supplies consistent hot water at 116℉ or higher temperature almost immediately, without any preheating or fluctuations in temperature that can ruin your experience.

The unit is also equipped with smart self-adjustment features that adjust power input based on flow rate and temperature settings, ensuring that you get the ideal temperature every time, without any risk of scalding. With an impressive energy efficiency of 98%, this water heater will also save you a considerable amount on your electric bill.

Using this tankless water heater couldn't be easier, thanks to its digital display and touch control panel. No more struggling with mixer taps or guessing at the right temperature – simply set the temperature you want and let the unit handle the rest. While this black model does not come with a remote control, it is perfect for installation under a sink.

Safety and durability are also top priorities with this water heater. The unit is fitted with multiple protection devices and is rigorously tested to ensure 100% safety. Inner water and electricity lines are designed to run separately, preventing any leakages or scale build-up that could cause harm. Approved by ETL and qualified for UL, this unit is built to last for years to come.

With its compact design (about the size of an oatmeal box), this tankless water heater can be installed almost anywhere near an outlet, reducing energy waste. It can be mounted horizontally, vertically, or obliquely, making it perfect for a variety of settings such as kitchens, bars, schools, hospitals, communities, and hair salons. Just make sure to verify that the 5.5kW@240V dimensions 11" x 7.5" x 2.35" and pipe fittings of 1/2" NPT are the right size for your needs.

Best Combination Boiler And Hot Water Heater FAQs

What is the best combination boiler and hot water heater for a large family?

When it comes to choosing the best combination boiler and hot water heater for a large family, there are a few key factors to consider. First and foremost, you'll want to ensure that the unit you choose has a high enough capacity to meet the needs of your household. Look for models that are specifically designed for larger homes, with higher flow rates and larger storage tanks.

Another important consideration is efficiency. You'll want to choose a unit that is energy-efficient, both to save on your utility bills and to reduce your environmental impact. Look for models with high-efficiency ratings, such as those with Energy Star certification.

Some top-rated combination boilers and hot water heaters for large families include the Navien NCB-E Series, the Rheem Prestige Series, and the Bosch Greenstar Series. These models offer high-capacity heating and hot water, along with advanced features like modulating technology, easy-to-use controls, and durable construction.

Ultimately, the best choice will depend on your specific needs and budget. Be sure to do your research and compare different models before making a decision.

What is the best combination boiler and hot water heater for a small home?

When it comes to finding the best combination boiler and hot water heater for a small home, there are several factors to consider. Firstly, it's important to determine what size boiler and hot water heater you need based on the size of your home and your hot water usage. Secondly, you'll want to consider the energy efficiency of the unit to ensure you're not wasting energy and money on your utility bills.

One option to consider is the Navien NCB-E Combination Boiler. This unit is compact and designed specifically for small homes, and it features a high-efficiency condensing technology that helps to reduce energy consumption. It also has a built-in recirculation pump that ensures hot water is always available on demand, and it comes with a variety of safety features to prevent any accidents.

Another option is the Bosch Greenstar Combi Boiler, which is known for its efficiency and reliability. It features a modulating burner that adjusts heat output based on demand, which helps to conserve energy. It also has a low NOx emissions rating, which makes it an environmentally-friendly choice.

Ultimately, the best combination boiler and hot water heater for your small home will depend on your specific needs and preferences. It's important to do your research and consult with a professional to ensure you're making the right choice.

What is the best combination boiler and hot water heater for homes in areas with harsh weather conditions?

When it comes to choosing a combination boiler and hot water heater for homes in areas with harsh weather conditions, there are several factors to consider. Firstly, it is important to choose a unit that is highly efficient and has a high output capacity to provide ample heating and hot water for the home. Additionally, it is important to choose a unit that is designed to withstand extreme temperatures and weather conditions.

One option that may be suitable for homes in harsh weather conditions is the Navien NCB-E Combination Boiler. This unit is designed to provide both heating and hot water, and has a high efficiency rating of up to 95%. It also has a high output capacity, making it suitable for larger homes or homes with high hot water demand.

Another option is the Viessmann Vitodens 222-F Combination Boiler. This unit is designed with a stainless steel heat exchanger and advanced controls, making it highly efficient and long-lasting. It also has a high output capacity and is designed to withstand extreme weather conditions.

Ultimately, the best combination boiler and hot water heater for homes in areas with harsh weather conditions will depend on the specific needs and requirements of the home. It is important to consult with a qualified HVAC professional to determine the best option for your home.

What is the best combination boiler and hot water heater for homes with hard water?

When it comes to choosing the best combination boiler and hot water heater for homes with hard water, there are several factors to consider. Hard water can cause mineral buildup and damage to pipes, appliances, and fixtures over time. Therefore, it's essential to choose a system that can effectively handle hard water and prevent scaling.

One of the best options for homes with hard water is a system that features a stainless steel heat exchanger. Stainless steel is highly resistant to corrosion and scaling, making it an ideal material for use in hard water environments. Additionally, look for a system that incorporates a water softener or descaling system to help remove minerals from the water before it enters the boiler and hot water heater.

Some top-rated combination boilers and hot water heaters for hard water homes include the Navien NCB-E Series, Rinnai RUC98iN Ultra Series, and the Bosch Greenstar Combi 151. These systems are designed to provide efficient heating and hot water while also preventing damage from hard water buildup.

Ultimately, the best combination boiler and hot water heater for your home will depend on your specific needs and budget. It's always a good idea to consult with a professional HVAC contractor who can help you choose the right system for your home's unique needs.

What is the best combination boiler and hot water heater for homes with low water pressure?

When it comes to choosing a combination boiler and hot water heater for homes with low water pressure, there are a few factors to consider. First and foremost, you'll want to look for a unit that has a built-in booster pump to help increase water flow and pressure. Additionally, you'll want to choose a model that is specifically designed for low water pressure systems, as these tend to have smaller heat exchangers and require less water flow to operate efficiently.

Some popular options for low water pressure systems include the Navien NCB-E Series, the Worcester Bosch Greenstar CDi Compact, and the Vaillant ecoTEC Plus. All of these models offer reliable performance and energy efficiency, as well as the added benefit of a built-in hot water tank to ensure that you always have plenty of hot water on demand.

Ultimately, the best combination boiler and hot water heater for your home will depend on your specific needs and budget. It's always a good idea to consult with a professional plumber or HVAC technician to help you choose the right unit for your home and ensure that it is installed correctly for optimal performance.

Which combination boiler and hot water heater has the fastest heat-up time?

The speed of heat-up time for combination boilers and hot water heaters can vary depending on the brand and model. However, some models are designed with features that promote faster heat-up times.

According to industry experts, a tankless water heater is generally faster at heating up water than a traditional tank-based system. This is because tankless systems heat water on-demand, rather than storing hot water in a tank.

Some of the top-rated brands for combination boilers and hot water heaters with fast heat-up times include Navien, Rinnai, and Noritz. These brands are known for their efficient and reliable systems that can heat up water in seconds, making them ideal for homes with high hot water demand.

It's important to note that the speed of heat-up time also depends on the size and temperature of the water tank or reservoir. It's recommended to consult with a professional plumber or HVAC technician to determine the best combination boiler and hot water heater for your specific needs.

Which combination boiler and hot water heater has the longest lifespan?

There is no one specific combination boiler and hot water heater that has the longest lifespan as it ultimately depends on several factors, such as the brand, model, and maintenance. However, there are some brands that are known for producing high-quality and durable combination boilers and hot water heaters. Some of these brands include Navien, Rinnai, Bosch, and Noritz. It is important to do thorough research and read reviews before making a purchase, as well as ensuring proper installation and regular maintenance to prolong the lifespan of the unit. Additionally, it is recommended to consult with a licensed HVAC professional to determine the best option for your specific needs and budget.

Which combination boiler and hot water heater has the lowest maintenance requirements?

When it comes to combination boilers and hot water heaters, different models have varying maintenance requirements. However, there are some models that are known for their low maintenance needs. One of the most popular brands that offer combination boilers with low maintenance requirements is Navien. Their products are known for their durability and reliability, and they come with a 15-year warranty. Navien also utilizes advanced technology to ensure that their products run efficiently and consume less energy, thereby reducing the need for maintenance.

Another brand to consider is Rinnai. Their combination boilers are designed with a focus on energy efficiency and low maintenance needs. They also come with a 12-year warranty, which is a testament to their quality and durability. Rinnai's boilers have a self-diagnostic system that alerts users when maintenance is required, making it easier to keep them in good working condition.

Ultimately, the decision on which combination boiler and hot water heater to choose will depend on your specific needs and budget. However, Navien and Rinnai are both reputable brands that offer reliable and low maintenance products.

Which combination boiler and hot water heater is the most affordable option?

The most affordable option for a combination boiler and hot water heater will depend on various factors such as the size of your home, your hot water needs, and your budget. However, there are some brands and models that are known for their affordability and reliability.

One of the most affordable options is the Rheem Performance Platinum 9.5 GPM Natural Gas High-Efficiency Indoor Tankless Water Heater. It is a condensing unit that uses natural gas, which is more energy-efficient than electric models. It has a high flow rate of 9.5 gallons per minute, making it suitable for most households. The unit is also compact, making it ideal for small spaces.

Another affordable option is the Noritz EZTR40NG 40-Gallon Tank Replacement Natural Gas Indoor Tankless Water Heater. This model is designed to replace a standard tank water heater and can provide hot water on demand. It has a flow rate of 6.6 gallons per minute and can be installed indoors.

It is important to note that while affordability is important, it is also essential to consider the quality and efficiency of the unit to ensure it will meet your hot water needs while saving energy and reducing costs in the long run.

Which combination boiler and hot water heater provides the highest energy efficiency rating?

There are several combination boilers and hot water heaters available in the market that provide high energy efficiency ratings. However, the highest energy efficiency rating is dependent on various factors like the type of fuel it uses, the size of the unit, and the technology used in the boiler. The most common fuel types used in combination boilers are natural gas, propane, and oil.

In terms of energy efficiency, the most efficient combination boilers are those that are rated as condensing boilers. These boilers work by recovering the heat that is usually lost in the flue gases of conventional boilers, which results in them using less fuel to produce heat. This makes them more energy-efficient and cost-effective in the long run.

Some of the top-rated combination boilers and hot water heaters include the Navien NCB-E Series, Bosch Greenstar Combi, Rinnai M Series, and Viessmann Vitodens 100-W. It is essential to consider the size of your home, your hot water needs, and your budget before selecting a combination boiler and hot water heater that provides the highest energy efficiency rating.

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