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152
products available
Water Heaters
Shop 152 water heaters at National Hardware Group — from trusted brands like B & K, B&K, Camco and more. Every item is an authorized, warranty-backed purchase, with prices starting around $9.59. Ships nationwide, free over $75 on most items, or find it at your local store.
Trusted brands only
Ships nationwide
Pro accounts welcome
Support your local hardware store
Reliance
Reliance Plastic Natural or Propane Gas Outdoor Installation Kit 8 in. H X 11 in. L X 20 in. W
MPN: 100369060
$64.99
In-Store
Reliance Water Heaters
Reliance Water Heaters 0 gal 199000 BTU Natural Gas Tankless Water Heater
MPN: RTM-199M-N
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
In-Store
Reliance Water Heaters
Reliance Water Heaters 0 gal 160000 BTU Natural Gas Tankless Water Heater
MPN: RTM-160M-N
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
In-Store
Reliance Water Heaters
Reliance Water Heaters 0 gal 160000 BTU Natural Gas/Propane Tankless Water Heater
MPN: RTHR-160X3
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
In-Store
Reliance Water Heaters
Reliance Water Heaters 0 gal 199000 BTU Natural Gas Tankless Water Heater
MPN: RTM-199X3-N
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
In-Store
Reliance
Reliance 0 gal 180000 BTU Natural Gas/Propane Tankless Water Heater
MPN: RTHR-180X3
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
In-Store
Reliance Water Heaters
Reliance Water Heaters 0 gal 199000 BTU Natural Gas/Propane Tankless Water Heater
MPN: RTHR-199X3
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Sharkbite
SharkBite Electric Water Heater Restraints
MPN: QS-120
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 50 gal 37,000 BTU Propane Water Heater
MPN: 6-50-PBRT
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 40 gal 4500 W Electric Water Heater
MPN: 6-40-DURT
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 40 gal 4500 W Electric Water Heater
MPN: 9-40-DAHRS
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 50 gal 4500 W Electric Water Heater
MPN: 6-50-DURT
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 50 gal 4500 W Electric Water Heater
MPN: 9-50-DAHRS
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 50 gal 4500 W Electric Water Heater
MPN: 9-50-DAHRT
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 50 gal 4500 W Electric Water Heater
MPN: 6-50-DURS
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
In-Store
Reliance
Reliance 40 gal 4500 W Electric Water Heater
MPN: 6-40-DURS
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
USA
Cash Acme
Cash Acme 3/4 in. Bronze Pressure Relief Valve
MPN: 16132A-0175
$17.99
Reliance
Reliance Propane Control Valve Thermostat
MPN: 100112339
$259.99
Reliance
Reliance Propane Pilot Assembly
MPN: 100109243
$99.99
Only 13 left
Reliance
Reliance Natural Gas Pilot Assembly
MPN: 100109290
$89.99
Reliance
Reliance Natural Gas Pilot Assembly
MPN: 100112330
$49.99
Reliance
Reliance Propane Pilot Assembly
MPN: 100109253
$89.99
Reliance
Reliance Natural Gas Control Valve Thermostat
MPN: 100112336
$199.99
Reliance
Reliance Natural Gas Pilot Assembly
MPN: 100109295
$89.99
Shop Local
Find these products at your local store.
Independent hardware retailers often carry the same products — sometimes at competitive prices. Every order helps keep them on the corner.
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