#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Heaters
Tankless Water Heaters

Commercial Tankless Water Heaters

Shop Products We Install

Shop Products We Install

Residential

Residential

Rheem

Rheem

Rinnai

Rinnai

Required Volt Connection: 240 volt

Required Volt Connection: 240 volt

20 Results
Filters
Filters
Clear All

Get It Fast

caret-icon

Department

caret-icon
Tankless Water Heaters

Review Rating

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

Brand

caret-icon

Price

caret-icon
to

Required Volt Connection

caret-icon

Part Warranty

caret-icon

Flow Rate @ 35°F Rise (gallons/min)

caret-icon

Application Type

caret-icon

Indoor/Outdoor

caret-icon

BTU Rating

caret-icon

Wattage (watts)

caret-icon

Eco Friendly

caret-icon

Let Us Do It For You

caret-icon

Savings Center

caret-icon

    Sort by

    Top Sellers
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 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
Sensei 8.9 GPM Commercial 160,000 BTU Propane/Natural Gas Indoor/Outdoor Tankless Water Heater
(4.3 / 13)
Model# CX160iN
Limit 3 per order
$1,223.46
Was $1,359.40
Save $135.94 (10%)
Buy 3 or more $1,101.11
3.5 kW, 120-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial3.5 kW, 120-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial
Expert Installation Available
(2.5 / 20)
Model# RTEH3512
$249.58
4.1 kW, 208-Volt Thermostatic Tankless Electric Water Heater, Commercial4.1 kW, 208-Volt Thermostatic Tankless Electric Water Heater, Commercial
Expert Installation Available
(3.8 / 6)
Model# RTEH4208T
$326.96
2.4 kW, 120-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial2.4 kW, 120-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial
Expert Installation Available
(2.5 / 20)
Model# RTEH2412
$249.58
Smart 4.22 GPM 102,000 BTU Natural Gas Tankless Water Heater, Indoor GraySmart 4.22 GPM 102,000 BTU Natural Gas Tankless Water Heater, Indoor Gray
(4.7 / 3)
Model# CA422-NG
$329.99
/piece
Sensei 8.9 GPM Commercial 160,000 BTU Propane/Natural Gas Indoor/Outdoor Tankless Water Heater with Recirculating Pump
(4.7 / 3)
Model# CXP160iN
Limit 3 per order
$1,452.78
Was $1,614.20
Save $161.42 (10%)
Buy 3 or more $1,307.50
6.5 kW, 240-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial6.5 kW, 240-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial
Expert Installation Available
(3.1 / 14)
Model# RTEH65
$249.58
2.64 GPM 68,000 BTU Outdoor Portable Propane Tankless Water Heater with LED Display, Black2.64 GPM 68,000 BTU Outdoor Portable Propane Tankless Water Heater with LED Display, Black
(4.3 / 3)
Model# BW264B
$269.68
/piece
3.5 kW, 240-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial3.5 kW, 240-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial
Expert Installation Available
(3.1 / 14)
Model# RTEH35
$245.80
3 kW, 208-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial3 kW, 208-Volt Non-Thermostatic Tankless Electric Water Heater, Commercial
Expert Installation Available
(3.8 / 6)
Model# RTEH3208
$245.80