#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Heaters
Tankless Water Heaters

Tankless Water Heaters

Shop Products We Install

Shop Products We Install

Tankless Electric Water Heaters

Tankless Electric Water Heaters

Tankless Gas Water Heaters

Tankless Gas Water Heaters

Residential in Tankless Electric Water Heaters

Residential in Tankless Electric Water Heaters

EcoSmart in Tankless Electric Water Heaters

EcoSmart in Tankless Electric Water Heaters

Rheem in Tankless Gas Water Heaters

Rheem in Tankless Gas Water Heaters

302 Results
Filters
Filters
Clear All

Get It Fast

caret-icon

Department

caret-icon
Tankless Water Heaters

Review Rating

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

Brand

caret-icon

Price

caret-icon
to

Number of Showers

caret-icon

Required Volt Connection

caret-icon

Part Warranty

caret-icon

Flow Rate @ 35°F Rise (gallons/min)

caret-icon

Application Type

caret-icon

BTU Rating

caret-icon

Indoor/Outdoor

caret-icon

Savings Center

caret-icon

Wattage (watts)

caret-icon

Eco Friendly

caret-icon

Let Us Do It For You

caret-icon

    Sort by

    Top Sellers
Best Seller
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 / 517)
Model# ECOH200DVELN-3
$1,199.00
Buy 3 or more $1,079.10
Performance 27 kW 5.27 GPM 240-Volt Self-Modulating Electric Tankless Water HeaterPerformance 27 kW 5.27 GPM 240-Volt Self-Modulating Electric Tankless Water Heater
Expert Installation Available
(3.9 / 2591)
Model# RETEX-27
$559.00
Buy 3 or more $503.10
Best Seller
Performance 18 kW 3.51 GPM 240-Volt Self-Modulating Electric Tankless Water HeaterPerformance 18 kW 3.51 GPM 240-Volt Self-Modulating Electric Tankless Water Heater
Expert Installation Available
(3.9 / 2582)
Model# RETEX-18
$459.00
Buy 3 or more $413.10
Performance 36 kW 7.03 GPM 240-Volt Self-Modulating Electric Tankless Water HeaterPerformance 36 kW 7.03 GPM 240-Volt Self-Modulating Electric Tankless Water Heater
Expert Installation Available
(3.9 / 2585)
Model# RETEX-36
$619.00
Buy 3 or more $557.10
IKONIC 11.2 GPM Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water HeaterIKONIC 11.2 GPM Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(3.9 / 14)
Model# ECOHS200iN
Limit 5 per order
$1,529.00
Was $1,799.00
Save $270.00 (15%)
Buy 3 or more $1,376.10
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
$1,188.00
Buy 3 or more $1,069.20
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 / 167)
Model# ECO200XELN-3
$1,103.20
Buy 3 or more $992.88
Performance 13 kW 2.54 GPM 240-Volt Self-Modulating Electric Tankless Water HeaterPerformance 13 kW 2.54 GPM 240-Volt Self-Modulating Electric Tankless Water Heater
Expert Installation Available
(3.9 / 2588)
Model# RETEX-13
$299.00
Buy 3 or more $269.10
Sensei Super High Efficiency Plus 11 GPM 199,000 BTU Natural Gas/Propane Indoor/Outdoor Tankless Water Heater
Expert Installation Available
(4.5 / 225)
Model# RX199iN
$1,537.90
Sensei Super High Efficiency Plus 11 GPM 199,000 BTU Natural Gas/Propane Tankless Water Heater with Recirculating Pump
Expert Installation Available
(4.3 / 79)
Model# RXP199iN
$1,778.00
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 / 19)
Model# ECOHSR200iN
Limit 5 per order
$1,784.00
Was $2,099.00
Save $315.00 (15%)
Buy 3 or more $1,605.60
High Efficiency Non-Condensing 8.5 GPM Residential 180,000 BTU Interior Natural Gas Tankless Water HeaterHigh Efficiency Non-Condensing 8.5 GPM Residential 180,000 BTU Interior Natural Gas Tankless Water Heater
Expert Installation Available
(4.4 / 56)
Model# RE180iN
$1,138.20
Buy 3 or more $1,024.38