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products available
Tankless Water Heaters
Shop 14 tankless water heaters at National Hardware Group — from trusted brands like B & K, Ecosmart, Reliance and more. Every item is an authorized, warranty-backed purchase, with prices starting around $189.99. 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
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.
Ecosmart
EcoSmart 3500 W Tankless Electric Water Heater
MPN: POU 4T
$199.99
Ecosmart
EcoSmart 18 W Tankless Electric Water Heater
MPN: ECO 18
$479.99
B & K
EcoSmart 1.5 gal 1440 W Electric Water Heater
MPN: ECO MINI 1
$199.99
Ecosmart
EcoSmart 2.6 gal 1440 W Electric Water Heater
MPN: ECO MINI 2.5
$189.99
Ecosmart
EcoSmart 6500 W Tankless Electric Water Heater
MPN: POU 6T
$199.99
Ecosmart
EcoSmart 11800 W Tankless Electric Water Heater
MPN: ECO 11
$269.99
Ecosmart
EcoSmart 27000 W Tankless Electric Water Heater
MPN: ECO 27
$579.99
Ecosmart
EcoSmart 4 gal 1440 W Electric Water Heater
MPN: ECO MINI 4
$199.99
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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