#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Heaters
Tankless Water Heaters
Tankless Gas Water Heaters

Rheem Tankless Gas Water Heaters

Rinnai

Rinnai

Super High

Super High

Natural Gas

Natural Gas

Propane

Propane

Indoor

Indoor

Outdoor

Outdoor

Shop Savings

Shop Savings

32 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

Gas Type

caret-icon

Number of Showers

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

    Sort by

    Top Sellers
Top Rated
Performance Platinum 9.5 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water HeaterPerformance Platinum 9.5 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(4.1 / 507)
Model# ECOH200DVELN-3
$1,199.00
Buy 3 or more $1,079.10
Performance Platinum 8.4 GPM Super High Efficiency Indoor or Outdoor Liquid Propane Tankless Water HeaterPerformance Platinum 8.4 GPM Super High Efficiency Indoor or Outdoor Liquid Propane Tankless Water Heater
Expert Installation Available
(3.9 / 94)
Model# ECOH160DVLP-3
$1,247.30
Buy 3 or more $1,122.57
Performance Plus 9.5 GPM Smart Non-Condensing Indoor Natural Gas Tankless Water HeaterPerformance Plus 9.5 GPM Smart Non-Condensing Indoor Natural Gas Tankless Water Heater
Expert Installation Available
(4 / 172)
Model# ECO200DVELN-3
$1,089.00
Buy 3 or more $980.10
IKONIC 11.2 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater with RecirculationIKONIC 11.2 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater with Recirculation
Expert Installation Available
(3.8 / 16)
Model# ECOHSR200iN
Limit 5 per order
$1,889.00
Was $2,099.00
Save $210.00 (10%)
Buy 3 or more $1,700.10
Performance Plus 9.5 GPM Smart Non-Condensing Outdoor Natural Gas Tankless Water HeaterPerformance Plus 9.5 GPM Smart Non-Condensing Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(4.5 / 162)
Model# ECO200XELN-3
$1,140.33
Buy 3 or more $1,026.30
Top Rated
Performance Platinum 8.4 GPM Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water HeaterPerformance Platinum 8.4 GPM Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(4.2 / 118)
Model# ECOH160DVLN-3
$1,137.99
Buy 3 or more $1,024.19
Performance Plus 8.4 GPM Smart Non-Condensing Indoor Natural Gas Tankless Water HeaterPerformance Plus 8.4 GPM Smart Non-Condensing Indoor Natural Gas Tankless Water Heater
Expert Installation Available
(4 / 246)
Model# ECO180DVELN-3
$857.70
Buy 3 or more $771.93
Performance Plus 7.0 GPM Non-Condensing Outdoor Natural Gas Tankless Water HeaterPerformance Plus 7.0 GPM Non-Condensing Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(4.7 / 80)
Model# ECO160XLN-3
$804.00
Buy 3 or more $723.60
Performance Plus 8.4 GPM Smart Non-Condensing Outdoor Natural Gas Tankless Water HeaterPerformance Plus 8.4 GPM Smart Non-Condensing Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(4.5 / 166)
Model# ECO180XELN-3
$924.41
Buy 3 or more $831.97
Performance Platinum 9.5 GPM Smart Super High Efficiency Indoor or Outdoor Liquid Propane Tankless Water HeaterPerformance Platinum 9.5 GPM Smart Super High Efficiency Indoor or Outdoor Liquid Propane Tankless Water Heater
Expert Installation Available
(4.1 / 146)
Model# ECOH200DVELP-3
$1,306.94
Buy 3 or more $1,176.25
Top Rated
Performance Platinum 9.0 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water HeaterPerformance Platinum 9.0 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(4.2 / 181)
Model# ECOH180DVELN-3
$1,143.54
Buy 3 or more $1,029.19
Performance Plus 7.0 GPM Non-Condensing Indoor Natural Gas Tankless Water HeaterPerformance Plus 7.0 GPM Non-Condensing Indoor Natural Gas Tankless Water Heater
Expert Installation Available
(4 / 139)
Model# ECO160DVLN-3
$799.00
Buy 3 or more $719.10