#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Heaters
Tankless Water Heaters
Tankless Gas Water Heaters

Outdoor Rinnai Tankless Gas Water Heaters

Shop Products We Install

Shop Products We Install

Rheem

Rheem

Natural Gas

Natural Gas

Propane

Propane

24 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 & Up

Price

caret-icon
to

Brand

caret-icon

Number of Showers

caret-icon

Gas Type

caret-icon

Efficiency Level

caret-icon

Maximum Flow Rate (gallons per minute)

caret-icon

Water Heater Features

caret-icon

Application Type

caret-icon

BTU Rating

caret-icon

Indoor/Outdoor

caret-icon

Eco Friendly

caret-icon

Let Us Do It For You

caret-icon

    Sort by

    Top Sellers
Best Seller
Sensei Super High Efficiency Plus 11 GPM 199,000 BTU Natural Gas/Propane Indoor/Outdoor Tankless Water Heater
Expert Installation Available
(4.5 / 219)
Model# RX199iN
Limit 3 per order
$1,384.11
Was $1,537.90
Save $153.79 (10%)
Sensei Super High Efficiency Plus 11 GPM 199,000 BTU Natural Gas/Propane Tankless Water Heater with Recirculating Pump
Expert Installation Available
(4.3 / 71)
Model# RXP199iN
Limit 3 per order
$1,680.21
Was $1,866.90
Save $186.69 (10%)
Sensei Super High Efficiency Plus 10 GPM 180,000 BTU Natural Gas/Propane Indoor/Outdoor Tankless Water Heater
Expert Installation Available
(4.5 / 219)
Model# RX180iN
Limit 3 per order
$1,273.23
Was $1,414.70
Save $141.47 (10%)
Buy 3 or more $1,145.91
Sensei Super High Efficiency Plus 9.0 GPM 160,000 BTU Natural Gas/Propane Indoor/Outdoor Tankless Water Heater
Expert Installation Available
(4.5 / 220)
Model# RX160iN
Limit 3 per order
$1,172.43
Was $1,302.70
Save $130.27 (10%)
Buy 3 or more $1,055.19
Sensei 11.1 GPM Commercial 199,000 BTU Propane/Natural Gas Indoor/Outdoor Tankless Water Heater
(4.3 / 14)
Model# CX199iN
Limit 3 per order
$1,424.43
Was $1,582.70
Save $158.27 (10%)
Buy 3 or more $1,281.99
Sensei Super High Efficiency Plus 9.0 GPM 160,000 BTU Natural Gas/Propane Tankless Water Heater with Recirculating Pump
Expert Installation Available
(4.3 / 71)
Model# RXP160iN
Limit 3 per order
$1,369.62
Was $1,521.80
Save $152.18 (10%)
Buy 3 or more $1,232.66
Value Series Outdoor 5.3 GPM Residential 120,000 BTU Propane Gas Tankless Water Heater
Expert Installation Available
(4.3 / 68)
Model# V53DeP
$669.50
Buy 3 or more $602.55
Sensei Super High Efficiency Plus 7.1 GPM 130,000 BTU Natural Gas/Propane Indoor/Outdoor Tankless Water Heater
Expert Installation Available
(4.5 / 219)
Model# RX130iN
Limit 3 per order
$1,027.53
Was $1,141.70
Save $114.17 (10%)
Buy 3 or more $924.78
Value Series Outdoor 5.3 GPM Residential 120,000 BTU Natural Gas Tankless Water Heater
Expert Installation Available
(4.3 / 67)
Model# V53DeN
$669.50
Buy 3 or more $602.55
High Efficiency Non-Condensing 9.8 GPM Residential 199,000 BTU Exterior Natural Gas Tankless Water HeaterHigh Efficiency Non-Condensing 9.8 GPM Residential 199,000 BTU Exterior Natural Gas Tankless Water Heater
Expert Installation Available
(4.9 / 18)
Model# RE199eN
$1,297.10
Buy 3 or more $1,167.39
Sensei 11.1 GPM Commercial 199,000 BTU Propane/Natural Gas Indoor/Outdoor Tankless Water Heater with Recirculating Pump
(4.7 / 3)
Model# CXP199iN
Limit 3 per order
$1,810.62
Was $2,011.80
Save $201.18 (10%)
Buy 3 or more $1,629.56
High Efficiency Non-Condensing 8.5 GPM Residential 180,000 BTU Exterior Natural Gas Tankless Water HeaterHigh Efficiency Non-Condensing 8.5 GPM Residential 180,000 BTU Exterior Natural Gas Tankless Water Heater
Expert Installation Available
(4.9 / 18)
Model# RE180eN
$1,105.30
Buy 3 or more $994.77