Best - Water Heaters (46)

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 5-gal. 14-in 1500 W Electric Water Heater icon-wishlist
GIANT
Giant Compact 5-gal. 14-in 1500 W Electric Water Heater
 
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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
 
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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
 
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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
 
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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)
 
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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
 
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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
 
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Giant 50-Gal 40,000-BTU Atmospheric Vent Natural Gas Water Heater icon-wishlist
GIANT
Giant 50-Gal 40,000-BTU Atmospheric Vent Natural Gas Water Heater
 
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Eccotemp Electric 4-gal Mini Water Heater icon-wishlist
ECCOTEMP
Eccotemp Electric 4-gal Mini Water Heater
 
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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
 
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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
 
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Giant 40-gal Water Tank Aluminum Anode icon-wishlist
GIANT
Giant 40-gal Water Tank Aluminum Anode
 
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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
 
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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
 
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Ayr-Foil Water Tank Insulation - Polyethylene - UV Resistant - 40-gal icon-wishlist
AYR-FOIL
Ayr-Foil Water Tank Insulation - Polyethylene - UV Resistant - 40-gal
 
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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
 
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Giant Natural Gas Water Heater - Residential - 33-gal - 38000-BTU icon-wishlist
GIANT
Giant Natural Gas Water Heater - Residential - 33-gal - 38000-BTU
 
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Gemco Propane Gas Water Heater - Residential - 33-gal - 32000-BTU icon-wishlist
GEMCO
Gemco Propane Gas Water Heater - Residential - 33-gal - 32000-BTU
 
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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
 
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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
 
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Water Heater Concentric Vent Kit icon-wishlist
Water Heater Concentric Vent Kit
 
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Onsen Portable Tankless Water Heater - 5 L icon-wishlist
ONSEN
Onsen Portable Tankless Water Heater - 5 L
 
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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
 
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Oatey Water Heater Pan - Plastic - Black - 24-in dia icon-wishlist
OATEY
Oatey Water Heater Pan - Plastic - Black - 24-in dia
 
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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
 
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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
 
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Giant 40,000-BTU 50-Gal Power Vent Natural Gas Water Heater icon-wishlist
GIANT
Giant 40,000-BTU 50-Gal Power Vent Natural Gas Water Heater
 
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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
 
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Square Flange Element - 3000 W - 240 V icon-wishlist
GIANT
Square Flange Element - 3000 W - 240 V
 
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Rinnai High Efficiency Tankless Water Heater - 160k Btu 7.5gpm icon-wishlist
RINNAI
Rinnai High Efficiency Tankless Water Heater - 160k Btu 7.5gpm
 
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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
 
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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
 
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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
 
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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
 
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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
 
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Rinnai RUCS-Series 6.5 GPM Residential Condensing Tankless Water Heater - 130,000 BTU icon-wishlist
RINNAI
Rinnai RUCS-Series 6.5 GPM Residential Condensing Tankless Water Heater - 130,000 BTU
 
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Rinnai High Efficiency Tankless Water Heater -  160k Btu 7.5gpm icon-wishlist
RINNAI
Rinnai High Efficiency Tankless Water Heater - 160k Btu 7.5gpm
 
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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
 
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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
 
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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
 
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Giant Super Cascade 40-gal. 22-in 3000 W Electric Water-Heater icon-wishlist
GIANT
Giant Super Cascade 40-gal. 22-in 3000 W Electric Water-Heater
 
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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
 
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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
 
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Giant Square Flange Element - 4500 W - 240 V icon-wishlist
GIANT
Giant Square Flange Element - 4500 W - 240 V
 
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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
 
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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
 
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