#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Heaters
Tankless Water Heaters
Tankless Gas Water Heaters

Tankless Gas Water Heaters

Installation

Installation

Natural Gas

Natural Gas

Installation

Installation

$500 - $600

$500 - $600

$700 - $800

$700 - $800

14 Results
Filters
Filters
Clear All

Get It Fast

caret-icon

Department

caret-icon
Tankless Gas Water Heaters

Review Rating

caret-icon
54 & Up3 & Up2 & Up1 & Up0

Brand

caret-icon

Price

caret-icon
to

Gas Type

caret-icon

Number of Showers

caret-icon

Efficiency Level

caret-icon

Part Warranty

caret-icon

Maximum Flow Rate (gallons per minute)

caret-icon

Water Heater Features

caret-icon

BTU Rating

caret-icon

Indoor/Outdoor

caret-icon

Let Us Do It For You

caret-icon

    Sort by

    Top Sellers
Value Series Outdoor 5.3 GPM Residential 120,000 BTU Propane Gas Tankless Water Heater
Expert Installation Available
(4.3 / 69)
Model# V53DeP
$602.55
Was $669.50
Save $66.95 (10%)
Buy 3 or more $542.30
Value Series Outdoor 5.3 GPM Residential 120,000 BTU Natural Gas Tankless Water Heater
Expert Installation Available
(4.3 / 68)
Model# V53DeN
$602.55
Was $669.50
Save $66.95 (10%)
Buy 3 or more $542.30
Ultra HE on Demand 4.4 GPM 70,000 BTU Natural Gas Condensing Tankless Water Heater
(4.2 / 28)
Model# EZULTNG
$669.95
Buy 3 or more $602.96
Instagas Premium PM180SAW 8.1 GPM 180,000 BTU Residential Propane Gas Tankless Water Heater, Outdoor White
(5 / 1)
Model# FDG-PM180SAW-LP
$669.99
Was $699.99
Save $30.00 (4%)
Buy 3 or more $602.99
InstaGas Comfort CF170W 7.5 GPM 170,000 BTU Residential Propane Gas Tankless Water Heater, Indoor WhiteInstaGas Comfort CF170W 7.5 GPM 170,000 BTU Residential Propane Gas Tankless Water Heater, Indoor White
Model# FDG-CF170W-LP
$639.99
Was $725.19
Save $85.20 (12%)
Buy 3 or more $575.99
Ultra HE on Demand 4.4 GPM 70,000 BTU Propane LPG Condensing Tankless Water Heater
(4.1 / 15)
Model# EZULTLPG
$669.95
Buy 3 or more $602.96
Sapphire Series 12 L High Efficiency Non-Condensing 4.4 GPM Residential Propane Gas Tankless Water Heater
(3.8 / 6)
Model# SAP12LPG
$606.18
/box
Buy 3 or more $545.56
Sapphire Series 14 L High Efficiency Non-Condensing 5.1 GPM Residential Propane Gas Tankless Water Heater
(5 / 1)
Model# SAP14LPG
$664.95
/box
Buy 3 or more $598.46
Smarthome Indoor 6.8 GPM Liquid Propane Tankless Water HeaterSmarthome Indoor 6.8 GPM Liquid Propane Tankless Water Heater
Model# SH22i-LP
$699.00
Buy 3 or more $629.10
Camplux 6.86 GPM Whole Home Propane Gas Tankless Water Heater With Low Nitrogen CombustionCamplux 6.86 GPM Whole Home Propane Gas Tankless Water Heater With Low Nitrogen Combustion
(5 / 2)
Model# WA686MG-LP
$699.99
/piece
Buy 3 or more $629.99
Climatech 7 6.86 GPM 170,000 BTU Indoor Propane Tankless Water Heater with 2-Years Warranty, LED Digital DisplayClimatech 7 6.86 GPM 170,000 BTU Indoor Propane Tankless Water Heater with 2-Years Warranty, LED Digital Display
(4.8 / 5)
Model# CA686WLP
$699.99
/piece
Sapphire Series 12L High Efficiency Non-Condensing 4.4 GPM Residential Natural Gas Tankless Water Heater
Model# SAP12NG
$614.95
/box
Buy 3 or more $553.46