20 Best 40 Gallon Propane Water Heater (2022 Updated)

A 40 gallon propane water heater is a type of water heater that uses propane as its fuel source. Propane is a highly efficient and clean-burning fuel, making it an excellent choice for water heaters.

Propane water heaters are available in both tankless and storage tank models, and can be used for both residential and commercial applications.

20 Best 40 Gallon Propane Water Heater

1. Rheem Performance 40 gal. Tall 6 Year 32,000 BTU Liquid Propane Tank Water Heater

Rheem Performance 40 gal. Tall 6 Year 32,000 BTU Liquid Propane Tank Water Heater

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Home Depot

Product Details

Specifications

Details
Nominal Tank Capacity (gallons) 40 gal
Water Heater Profile Tall
Vent Type Atmospheric
Application Type Residential
Gas Type Propane

Reviews From Real Customers

marcel7
George N
Mjgfiredog

2. AO Smith GPVT-40LP Residential Liquid Propane Water Heater, 40 Gallons, 50000 BTU, Power Vent, 6 Yr Tank / PTS Warranty

AO Smith GPVT-40LP Residential Liquid Propane Water Heater, 40 Gallons, 50000 BTU, Power Vent, 6 Yr Tank / PTS Warranty

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Amazon
SupplyHouse.com

Product Details

Specifications

Details
Height (Inches) 59-1/4″
Length (Inches) 20.5″
Width (Inches) 20″
Diameter 20″
Warranty 6 Yr Tank / Pts

Reviews From Real Customers

Hammer1974
Sonja Dakhu
Mike G

3. Bradford White DSI40S6FSX337 40gal Propane Water Heater

Bradford White DSI40S6FSX337 40gal Propane Water Heater

  • Vent Category I
  • Turndown Ratio: On/Off

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Amazon
PlumbersStock.com

Product Details

Specifications

Details
Modus Operandi Liquid Propane
Vent Type Direct Vent
Water Heater Type Tank
Capacity 40 Gallons

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Justin S.
Jim
Wayland

4. Reliance 40 Gallon Liquid Propane Water Heater

Reliance 40 Gallon Liquid Propane Water Heater

  • Protective aluminum anode
  • 1-1/2″ foam insulation
  • 20″ W x 62″ H
  • Assembly: Assembled

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Walmart
Ace Hardware
Blain’s Farm & Fleet

Product Details

Specifications

Details
BTUs 35
Gas Connection Size 1/2 in.
Diameter 20 in.
Tankless No
Power Source Propane

Reviews From Real Customers

jblo
Consumer Watch
Catlover

5. Rheem Performance Platinum 40 gal. Short 12 Year 40,000 BTU Natural GAS Energy Star Tank Water Heater 625782

Rheem Performance Platinum 40 gal. Short 12 Year 40,000 BTU Natural GAS Energy Star Tank Water Heater 625782

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Product Details

Specifications

Details
Nominal Tank Capacity (gallons) 40 gal
Gas Type Natural Gas
Water Heater Profile Short
Vent Type Atmospheric
Application Type Residential

Reviews From Real Customers

rheem.com
STARLORD
Bob in NJ

6. GE Appliances GP40T08BXR Realmax Choice 40-Gallon Tall Liquid Propane Atmospheric Water Heater

GE Appliances GP40T08BXR Realmax Choice 40-Gallon Tall Liquid Propane Atmospheric Water Heater

  • 40 Gallon

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GE Appliances – Official Site
Sears
Wayfair
Total Home Supply

Product Details

Specifications

Details
Color Finish Grey
Drain Valve Material Plastic
End Connections MNPT
First Hour Rating 84
Fitting Sizes 3/4 in

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MiD0523
EmyW
nekramer30

7. Reliance 6 40 Hrvit LP GAS Power Vent Water Heater – 40 Gallon

Reliance 6 40 Hrvit LP GAS Power Vent Water Heater - 40 Gallon

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Blain’s Farm & Fleet
Ace Hardware
National Supply Network

Product Details

Specifications

Details
Energy Star Certified Yes
Tank Capacity 40 gal
Height 68-1/2 in.
Power Source Propane
Volts 120 V

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anonymous

8. GE Appliances GP40S10BXR Realmax Premium 40-Gallon Short Liquid Propane Atmospheric Water Heater

GE Appliances GP40S10BXR Realmax Premium 40-Gallon Short Liquid Propane Atmospheric Water Heater

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GE Appliances – Official Site
Sears
Wayfair
Total Home Supply

Product Details

Specifications

Details
Tank Insulation Thickness 2 in.
Tank Diameter 22 (In.)
Tank Height 47.5 (In.)
Height to Vent Hood 51.25 (In.)
Tank Style Short

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jde8080
huntersmom

9. A.O. Smith Gcr-40lp Proline Atmospheric Vent 40 Gal Liquid Propane Water Heater

A.O. Smith Gcr-40lp Proline Atmospheric Vent 40 Gal Liquid Propane Water Heater

  • Blue Diamond glass coating provides superior corrosion resistance to industry-standard glass lining
  • Self-powered electronic gas valve uses thermopile to generate power needed to operate the electronic gas control without requiring external power
  • Internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response
  • Dynaclean diffuser dip tube helps reduce lime and sediment buildup, maximizes hot water output; made from long-lasting PEX cross-linked polymer
  • Meets all current regulations set forth by the National Appliance Energy Conservation Act (NAECA)

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Ferguson
AF Supply

Product Details

Specifications

Details
Application Residential
CSA Certified CSA 4.1
Capacity 40 gal
Drain Location Bottom
End Connections NPT

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Dave

10. A. O. Smith 40-gallon Tall Natural GAS Water Heater 18″ D x 61-3/4″ H GCB-40

A. O. Smith 40-gallon Tall Natural GAS Water Heater 18

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HD Supply
Ferguson
AF Supply
SupplyHouse.com

Product Details

Specifications

Details
Height (Inches) 61-3/4″
Length (Inches) 18″
Width (Inches) 16″
Diameter 16″
Product Warranty 6 Years Tank / Parts Warranty

11. AF Supply – AO Smith GCRL-40LP Residential Liquid Propane Water Heater, 40 Gallons, 40000 BTU, Atmospheric, 6 Yr Tank / PTS Warranty

AF Supply - AO Smith GCRL-40LP Residential Liquid Propane Water Heater, 40 Gallons, 40000 BTU, Atmospheric, 6 Yr Tank / PTS Warranty

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AF Supply

Product Details

Specifications

Details
Height (Inches) 51-1/2″
Width (Inches) 22″
Diameter 22″
Product Warranty 6 Years Tank / Parts Warranty
Water Heater Type Residential

12. Reliance Water Heater High-Recovery Power Vent 40 Gal 50 000 BTU Propane 6-40-HRVIT

Reliance Water Heater High-Recovery Power Vent 40 Gal 50 000 BTU Propane 6-40-HRVIT

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DK Hardware

Product Details

Specifications

Details
Warranty 6 yr
Power Source Propane
Maximum Pressure 150 psi
Maximum Temperature 150 °F
BTUs 50,000 BTU

13. Bradford White RG140T6X 40 Gallon, Tall Atmospheric Vent Water Heater, Liquid Propane

Bradford White RG140T6X 40 Gallon, Tall Atmospheric Vent Water Heater, Liquid Propane

  • Energy Source: Gas; Fuel Type: Liquid Propane
  • Vent Category I
  • Input: 34000 BTU/Hr
  • Output: 34000 BTU/Hr
  • Turndown Ratio: On/Off

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Total Home Supply

Product Details

Specifications

Details
AFUE 80.00
Application Residential
Capacity 40 gal
Diameter 18 in
Drain Location Bottom, Front

Reviews From Real Customers

Total Home Supply

14. Rheem PROG40-30N RH62 MH DV 40 Gal Professional Classic Mobile Home Convertible Residential Natural GAS & Liquid Propane Direct Vent Water Heater

Rheem PROG40-30N RH62 MH DV 40 Gal Professional Classic Mobile Home Convertible Residential Natural GAS & Liquid Propane Direct Vent Water Heater

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DSLSupply.com

Product Details

Specifications

Details
Bulk Pricing Buy in bulk and save
Certifications and Listings CSA Certified, FVIR Certified
Finish Family Gray
Fuel Type Gas
Indoor/Outdoor Indoor

Reviews From Real Customers

Sarah Kaiser

15. A.O. Smith Proline 40 gal. Tall 36 MBH Residential Propane Water Heater

A.O. Smith Proline 40 gal. Tall 36 MBH Residential Propane Water Heater

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Ferguson
eComfort.com

Product Details

Specifications

Details
Application Residential
CSA Certified CSA 4.1
Capacity 40 gal
Drain Location Bottom
End Connections NPT

16. Rheem Performance 40 gal. Tall 6 Year 36,000 BTU Liquid Propane Tank Water Heater

Rheem Performance 40 gal. Tall 6 Year 36,000 BTU Liquid Propane Tank Water Heater

  • 40 Gal / 6 Year 36,000 Btu

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Home Depot

Product Details

Specifications

Details
Application Type Residential
Efficiency Level High
Finish Family Gray
Fuel Type Gas
Gas Type Propane

17. Reliance 6-40-PBCS401 LP GAS Water Heater – 40 Gallon

Reliance 6-40-PBCS401 LP GAS Water Heater - 40 Gallon

  • 40 Gallon

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Ace Hardware
L&M Fleet Supply
DK Hardware
National Supply Network

Product Details

Specifications

Details
Height 51-1/2 in.
Commercial or Residential Residential
Energy Star Certified No
Maximum Pressure 150 psi
Brand Name Reliance

18. GE Appliances GP40S12BXR Realmax 40-gallon Short Liquid Propane Atmospheric Water …

GE Appliances GP40S12BXR Realmax 40-gallon Short Liquid Propane Atmospheric Water ...

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GE Appliances – Official Site
Nordam Appliance
Keith’s Appliances
AHC Appliances

Product Details

Specifications

Details
Tank Insulation Thickness 2 in.
Tank Diameter 22 (In.)
Tank Height 47.5 (In.)
Height to Vent Hood 51.25 (In.)
Tank Style Short
Low NOx Burner No
Heavy Duty Anode Rod Yes
Venting Atmospheric (standard)
Unit Location Indoor
Tank Nominal Capacity 40 gal.
Size Category – Gallons 31 gallons to 40 gallons
First Hour Rating 84 (gal.)
Control Type Digital
Fuel Type Liquid Propane
ENERGY STAR Certified No

19. Bradford White RG240T6N-475 40-Gal. Propane GAS Water Heater

Bradford White RG240T6N-475 40-Gal. Propane GAS Water Heater

  • Energy Source: Gas; Fuel Type: Natural Gas
  • Vent Category I
  • Input: 40000 BTU/Hr
  • Output: 40000 BTU/Hr
  • Turndown Ratio: On/Off

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Ferguson

Product Details

Specifications

Details
AFUE 80.00
Application Residential
CSA Certified CSA 4.1 2017
Capacity 40 gal
Drain Location Bottom, Front

20. A.O. Smith Proline XE 40 gal. Short 40 MBH Residential Propane Water Heater

A.O. Smith Proline XE 40 gal. Short 40 MBH Residential Propane Water Heater

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SupplyHouse.com

Product Details

Specifications

Details
Application Residential
Capacity 40 gal
Diameter 22 in
Drain Location Bottom
End Connections MNPT

Conclusion

The conclusion of a 40 gallon propane water heater is that it is a great way to heat your water. Propane is a very efficient way to heat water and it will save you money on your energy bill.

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