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Best - Water Heaters (44)

Energy-efficient water heaters provide a consistent flow of hot water to homes of all sizes. Compact 5- to 16-gallon, point-of-use models supply hot water to utility sinks, shop washrooms, or summer cottages. Full-size heaters with capacities of 30 to 60 gallons meet the needs of an entire household. With both gas and electric water heaters available, it's easy to find a unit that offers energy cost savings based on your utility rates. Upgrade your home's hot water supply with efficient water heater equipment and accessories.
Giant Compact 10-gal. 16-in 3000 W Electric Water Heater icon-wishlist
GIANT
Giant Compact 10-gal. 16-in 3000 W Electric Water Heater
Format 10Gx240V
Details
Article #0135056
Rinnai 9.8 GPM /199 000 BTU Propane Tankless Water Heater icon-wishlist
RINNAI
Rinnai 9.8 GPM /199 000 BTU Propane Tankless Water Heater
 
Details
Article #330690836
Onsen Portable Tankless Water Heater - 5 L icon-wishlist
ONSEN
Onsen Portable Tankless Water Heater - 5 L
Format 32000BU-5L
Details
Article #60845000
Giant Natural Gas Water Heater - Residential - 33-gal - 38000-BTU icon-wishlist
GIANT
Giant Natural Gas Water Heater - Residential - 33-gal - 38000-BTU
Format 40G
Details
Article #01355053
Giant Cascade 60-gal. 23 1/2-in 4500 W Electric Water Heater icon-wishlist
GIANT
Giant Cascade 60-gal. 23 1/2-in 4500 W Electric Water Heater
Format 60Gx240V
Details
Article #0135037
Eccotemp L5-PS 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp L5-PS 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330860174
Ayr-Foil Water Tank Insulation - Polyethylene - UV Resistant - 40-gal icon-wishlist
AYR-FOIL
Ayr-Foil Water Tank Insulation - Polyethylene - UV Resistant - 40-gal
 
Details
Article #7416076
Gemco Propane Gas Water Heater - Residential - 33-gal - 32000-BTU icon-wishlist
GEMCO
Gemco Propane Gas Water Heater - Residential - 33-gal - 32000-BTU
Format 40G
Details
Article #49295025
Atmor Pro Series 240-volt 18-kW 3.62 Gpm Tankless Electric Water Heater icon-wishlist
ATMOR
Atmor Pro Series 240-volt 18-kW 3.62 Gpm Tankless Electric Water Heater
 
Details
Article #332009989
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump icon-wishlist
ONSEN
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump
 
Details
Article #330735748
Eccotemp Electric 4-gal Mini Water Heater icon-wishlist
ECCOTEMP
Eccotemp Electric 4-gal Mini Water Heater
 
Details
Article #330860194
A.O. Smith 32-in Magnesium Water-Heater Anode Rod icon-wishlist
A.O.SMITH
A.O. Smith 32-in Magnesium Water-Heater Anode Rod
Format 32"
Details
Article #33535003
Giant 40,000-BTU 40-Gal Atmospheric Vent Natural Gas Water Heater icon-wishlist
GIANT
Giant 40,000-BTU 40-Gal Atmospheric Vent Natural Gas Water Heater
Format 40GA 9YR 40000BU
Details
Article #01355074
A.O. Smith Signature 272.5-L Tall Electric Water Heater icon-wishlist
SIGNATURE
A.O. Smith Signature 272.5-L Tall Electric Water Heater
Format 80GAx4500Wx240V
Details
Article #33535012
Watts 1XL Temperature and Pressure Relief Valve - Bronze - 150-PSI - 1/2-in dia icon-wishlist
WATTS
Watts 1XL Temperature and Pressure Relief Valve - Bronze - 150-PSI - 1/2-in dia
Format 1/2" 150PSI
Details
Article #0679003
Giant Electric Water Heater - 60-gal - 4500-Watt - 240-Volt - Residential icon-wishlist
GEMCO
Giant Electric Water Heater - 60-gal - 4500-Watt - 240-Volt - Residential
Format 60G
Details
Article #49295024
Z-Flex Z-Vent 4-in x 1.5-ft Stainless Steel Single Wall Pipe icon-wishlist
Z-FLEX
Z-Flex Z-Vent 4-in x 1.5-ft Stainless Steel Single Wall Pipe
 
Details
Article #330007806
Giant Water Heater Anode - Magnesium - NPT Male Thread - 3/4-in dia x 41-in L icon-wishlist
GIANT
Giant Water Heater Anode - Magnesium - NPT Male Thread - 3/4-in dia x 41-in L
Format 41x3/4"
Details
Article #0135039
Giant 30-gal 3000 W 22-in Top Entry Electric Water Heater icon-wishlist
GIANT
Giant 30-gal 3000 W 22-in Top Entry Electric Water Heater
Format 30GA
Details
Article #01355057
Water Heater Concentric Vent Kit icon-wishlist
Water Heater Concentric Vent Kit
 
Details
Article #30739734
A.O. Smith Signature 45-L Electric Water Heater icon-wishlist
A.O.SMITH
A.O. Smith Signature 45-L Electric Water Heater
Format 12GAx1500Wx120V
Details
Article #33535008
A.O. Smith Signature 173-L Short Electric Water Heater icon-wishlist
SIGNATURE
A.O. Smith Signature 173-L Short Electric Water Heater
Format 50GAx3800Wx240V
Details
Article #33535011
Watts 100XL Temperature and Pressure Relief Valve - Brass - 150-PSI - 3/4-in dia icon-wishlist
WATTS
Watts 100XL Temperature and Pressure Relief Valve - Brass - 150-PSI - 3/4-in dia
Format 3/4"x150PSI
Details
Article #0679007
A.O. Smith Signature 189-L 40000 BTU Tall Natural Gas Water Heater (9-Year) icon-wishlist
A.O.SMITH
A.O. Smith Signature 189-L 40000 BTU Tall Natural Gas Water Heater (9-Year)
Format 50GA
Details
Article #33535019
Eccotemp 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330860211
Black+decker 240-volt 13-kw 2.3 Gpm Point Of Use Tankless Electric Water Heater icon-wishlist
BLACK+DECKER
Black+decker 240-volt 13-kw 2.3 Gpm Point Of Use Tankless Electric Water Heater
 
Details
Article #332010196
Atmor Point-of-use 800 Series 240-volt 13-kW 2.25 Gpm Point of Use Tankless Electric Water Heater icon-wishlist
ATMOR
Atmor Point-of-use 800 Series 240-volt 13-kW 2.25 Gpm Point of Use Tankless Electric Water Heater
 
Details
Article #332009993
A.O. Smith Signature 189-L Tall Natural gas Water Heater icon-wishlist
A.O.SMITH
A.O. Smith Signature 189-L Tall Natural gas Water Heater
Format 50GA
Details
Article #33535007
Square Flange Element - 3000 W - 240 V icon-wishlist
GIANT
Square Flange Element - 3000 W - 240 V
Format 3000Wx240Vx40GA
Details
Article #0135129
GSW Power Smart 48-3/4-in H x 22-in Dia 40-Gal Residential Electric Top-Entry Water Heater 3000-Watt 240-Volt icon-wishlist
GSW
GSW Power Smart 48-3/4-in H x 22-in Dia 40-Gal Residential Electric Top-Entry Water Heater 3000-Watt 240-Volt
Format 40G-48 3/4x22"
Details
Article #97735877
A.O. Smith Signature 227-L 42000 BTU Short Power Vent Natural Gas Water Heater icon-wishlist
A.O.SMITH
A.O. Smith Signature 227-L 42000 BTU Short Power Vent Natural Gas Water Heater
Format 60GA
Details
Article #33535017
A.O. Smith Electric Water Heater Signature Series 50 Gallons icon-wishlist
A.O.SMITH
A.O. Smith Electric Water Heater Signature Series 50 Gallons
Format 50GA
Details
Article #33535006
Z-Vent 4-in Horizontal Vent Kit for Gas Tankless Water Heaters icon-wishlist
Z-FLEX
Z-Vent 4-in Horizontal Vent Kit for Gas Tankless Water Heaters
 
Details
Article #330735063
Gemco Super 9 Natural Gas Water Heater - Residential - 33-gal - 34000-BTU icon-wishlist
GEMCO
Gemco Super 9 Natural Gas Water Heater - Residential - 33-gal - 34000-BTU
Format 48 1/4"x22DIA
Details
Article #49295017
Giant Compact 10-gal 16-in 1500 W Electric Water Heater icon-wishlist
GIANT
Giant Compact 10-gal 16-in 1500 W Electric Water Heater
Format 10Gx120V
Details
Article #0135055
Giant Cascade 60-gal Ecopeak 3-elements 23 1/2-in Electric Water Heater icon-wishlist
GIANT
Giant Cascade 60-gal Ecopeak 3-elements 23 1/2-in Electric Water Heater
Format 60Gx240V
Details
Article #01355040
Rinnai 130,000 BTU 6.5-gpm High Efficiency Tankless Water Heater icon-wishlist
RINNAI
Rinnai 130,000 BTU 6.5-gpm High Efficiency Tankless Water Heater
 
Details
Article #330749889
Rinnai 9 GPM/160 000 BTU Natural Gas Tankless Water Heater icon-wishlist
RINNAI
Rinnai 9 GPM/160 000 BTU Natural Gas Tankless Water Heater
 
Details
Article #330690845
A.O. Smith Signature 151-L Short Natural Gas Water Heater icon-wishlist
A.O.SMITH
A.O. Smith Signature 151-L Short Natural Gas Water Heater
Format 40GA
Details
Article #33535018
A.O. Smith Gas Water Heater Signature 500 Series 50-Gallons with LED indicator icon-wishlist
SIGNATURE
A.O. Smith Gas Water Heater Signature 500 Series 50-Gallons with LED indicator
Format 50GA
Details
Article #33535013
Giant Water Heater Anode - Magnesium - NPT Male Thread - 3/4-in dia x 32-in L icon-wishlist
GIANT
Giant Water Heater Anode - Magnesium - NPT Male Thread - 3/4-in dia x 32-in L
Format 0.9x32"
Details
Article #0135038
Giant Compact 2-gal. 10-in 1500 W Electrique Water Heater icon-wishlist
GIANT
Giant Compact 2-gal. 10-in 1500 W Electrique Water Heater
Format 2Gx13 3/4x10"
Details
Article #0135054
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ONSEN
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330735749
A.O. Smith Signature 189-L Short Electric Water Heater icon-wishlist
A.O.SMITH
A.O. Smith Signature 189-L Short Electric Water Heater
Format 50GA
Details
Article #33535016