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Best - Water Heaters (50)

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.
Rinnai Natural Gas or Propane Boiler - 90 000 BTUs icon-wishlist
RINNAI
Rinnai Natural Gas or Propane Boiler - 90 000 BTUs
 
Details
Article #330690843
Giant Super Cascade Electric Water Heater - 40-gal - 3000-Watt - 240-Volt - Residential icon-wishlist
GEMCO
Giant Super Cascade Electric Water Heater - 40-gal - 3000-Watt - 240-Volt - Residential
Format 40G
Details
Article #49295020
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
Giant Gas Water Heater - 40 US Gallons - White - 38 000 BTU icon-wishlist
GIANT
Giant Gas Water Heater - 40 US Gallons - White - 38 000 BTU
Format 40G-38000
Details
Article #01355066
Eccotemp EL7 1.85-GPM 52,500-BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp EL7 1.85-GPM 52,500-BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330860185
Eccotemp ESH-4.0 Electric 4-gal Mini Water Heater with Voice Commands icon-wishlist
ECCOTEMP
Eccotemp ESH-4.0 Electric 4-gal Mini Water Heater with Voice Commands
 
Details
Article #330860207
Eccotemp i12-LP 4-GPM 74,500-BTU Indoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp i12-LP 4-GPM 74,500-BTU Indoor Liquid Propane Tankless Water Heater
 
Details
Article #330860179
Eccotemp 20HI-LP 6-GPM 150,000-BTU Indoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp 20HI-LP 6-GPM 150,000-BTU Indoor Liquid Propane Tankless Water Heater
 
Details
Article #330860180
Stiebel Eltron DHX 240 volts 12-kW 0.26 GPM Point of Use Tankless Electric Water Heater icon-wishlist
STIEBEL ELTRON
Stiebel Eltron DHX 240 volts 12-kW 0.26 GPM Point of Use Tankless Electric Water Heater
 
Details
Article #330784840
Eccotemp EL22-NG 6.8-GPM 140,000-BTU Outdoor Natural Gas Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp EL22-NG 6.8-GPM 140,000-BTU Outdoor Natural Gas Tankless Water Heater
 
Details
Article #330860226
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
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 Electric Water Heater - Compact 10-Gallon - 240 V icon-wishlist
GIANT
Giant Electric Water Heater - Compact 10-Gallon - 240 V
Format 10Gx240V
Details
Article #0135056
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
Giant Electric Water Heater - Cascade - 60-Gallon icon-wishlist
GIANT
Giant Electric Water Heater - Cascade - 60-Gallon
Format 60Gx240V
Details
Article #0135037
Onsen Portable Tankless Water Heater - 5 L icon-wishlist
ONSEN
Onsen Portable Tankless Water Heater - 5 L
Format 32000BU-5L
Details
Article #60845000
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
Rinnai Natural Gas or Propane Boiler/Water Heater -120k BTUs icon-wishlist
RINNAI
Rinnai Natural Gas or Propane Boiler/Water Heater -120k BTUs
 
Details
Article #330690832
Rinnai Propane Tankless Water Heater - 9.8 GPM - 199k BTUs icon-wishlist
RINNAI
Rinnai Propane Tankless Water Heater - 9.8 GPM - 199k BTUs
 
Details
Article #330690836
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
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
GSW Power Smart Electric Water Heater - 40-gal - 3000-Watt - 240-Volt icon-wishlist
GSW
GSW Power Smart Electric Water Heater - 40-gal - 3000-Watt - 240-Volt
Format 40G-48 3/4x22"
Details
Article #97735877
WiFi Water Leak And Freeze Detector - "Lyric" Model icon-wishlist
HONEYWELL
WiFi Water Leak And Freeze Detector - "Lyric" Model
 
Details
Article #05225131
Eccotemp EM-7.0 Electric 7-gal Mini Water Heater icon-wishlist
ECCOTEMP
Eccotemp EM-7.0 Electric 7-gal Mini Water Heater
 
Details
Article #330860190
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
Rinnai Propane Tankless Water Heater - 11 GPM - 199k BTUs icon-wishlist
RINNAI
Rinnai Propane Tankless Water Heater - 11 GPM - 199k BTUs
 
Details
Article #330690830
Rinnai High Efficiency Tankless Water Heater -  130k Btu 6.5gpm icon-wishlist
RINNAI
Rinnai High Efficiency Tankless Water Heater - 130k Btu 6.5gpm
 
Details
Article #330749889
Square Flange Element - 3000 W - 240 V icon-wishlist
GIANT
Square Flange Element - 3000 W - 240 V
Format 3000Wx240Vx40GA
Details
Article #0135129
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
Eccotemp EM-2.5 Electric 2.5-gal Mini Water Heater icon-wishlist
ECCOTEMP
Eccotemp EM-2.5 Electric 2.5-gal Mini Water Heater
 
Details
Article #330860192
Eccotemp L10 3-GPM 75,000-BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp L10 3-GPM 75,000-BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330860219
Rinnai Tankless Water Heater - Natural Gas -11 GPM/199k BTUs icon-wishlist
RINNAI
Rinnai Tankless Water Heater - Natural Gas -11 GPM/199k BTUs
 
Details
Article #330690840
Giant Electric Water Heater - Cascade 60-Gallon - Ecopeak icon-wishlist
GIANT
Giant Electric Water Heater - Cascade 60-Gallon - Ecopeak
Format 60Gx240V
Details
Article #01355040
Rinnai High Efficiency Tankless Water Heater - 160k Btu 7.5gpm icon-wishlist
RINNAI
Rinnai High Efficiency Tankless Water Heater - 160k Btu 7.5gpm
 
Details
Article #330749888
Rinnai Propane Tankless Water Heater - 8 GPM - 160k BTUs icon-wishlist
RINNAI
Rinnai Propane Tankless Water Heater - 8 GPM - 160k BTUs
 
Details
Article #330690827
Rinnai Tankless Water Heater - Natural Gas - 9 GPM/160k BTUs icon-wishlist
RINNAI
Rinnai Tankless Water Heater - Natural Gas - 9 GPM/160k BTUs
 
Details
Article #330690845
Eccotemp EM-4.0 Electric 4-gal Mini Water Heater icon-wishlist
ECCOTEMP
Eccotemp EM-4.0 Electric 4-gal Mini Water Heater
 
Details
Article #330860194
Rinnai Natural Gas Tankless Water Heater - 9.8 GPM -199 BTUs icon-wishlist
RINNAI
Rinnai Natural Gas Tankless Water Heater - 9.8 GPM -199 BTUs
 
Details
Article #330690831
Rinnai High Efficiency Tankless Water Heater -  160k Btu 7.5gpm icon-wishlist
RINNAI
Rinnai High Efficiency Tankless Water Heater - 160k Btu 7.5gpm
 
Details
Article #330749887
Giant Electric Water Heater - 40-gal - 3000-Watt - 240-Volt - Residential icon-wishlist
GEMCO
Giant Electric Water Heater - 40-gal - 3000-Watt - 240-Volt - Residential
Format 40G
Details
Article #49295023
Rinnai High Efficiency Tankless Water Heater - 130k BTU - 6.5gpm icon-wishlist
RINNAI
Rinnai High Efficiency Tankless Water Heater - 130k BTU - 6.5gpm
 
Details
Article #330749886
Eccotemp L5 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp L5 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330860211
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
Eccotemp L10-PS 3-GPM 75,000-BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp L10-PS 3-GPM 75,000-BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330860205
Eccotemp EL5 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater icon-wishlist
ECCOTEMP
Eccotemp EL5 1.5-GPM 37,500-BTU Outdoor Liquid Propane Tankless Water Heater
 
Details
Article #330860200
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
Giant Electric Water-Heater - Super Cascade 40-Gallon icon-wishlist
GIANT
Giant Electric Water-Heater - Super Cascade 40-Gallon
Format 40Gx240V
Details
Article #0135001
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