ONSEN - Water Heaters

Family Size
Commercial/Residential
EnergyStar Certified
Foam Insulation
Freeze Protection
Mobile Home Compatible
Provide proper bathing and wash water temperatures to your home by using high-efficiency electric or gas water heaters. Natural gas water heaters feature blue cobalt glass coating on the interior for long-term use. The durable magnesium anode protects the heater from corrosion. With tanks as large as 60 gallons, all family members can enjoy a clear supply of heated water. Versatile tankless bathroom water heaters provide high rates of hot water without storing it in a tank.

Browse various water heater parts and accessories for a quick repairs, or to replace old or broken home water heaters.
Provide proper bathing and wash water temperatures to your home by using high-efficiency electric or gas water heaters. Natural gas water heaters feature blue cobalt glass coating on the interior for long-term use. The durable magnesium anode protects the heater from corrosion. With tanks as large as 60 gallons, all family members can enjoy a clear supply of heated water. Versatile tankless bathroom water heaters provide high rates of hot water without storing it in a tank.

Browse various water heater parts and accessories for a quick repairs, or to replace old or broken home water heaters.
ONSEN
Onsen 26L 6.9 GPM 180K Indoor Propane Tankless Water Heater BTU w/ 3-in Wall Vent Kit
Article #332020689
Model #ON-I26L-LP-37003
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14L 3.7-gal./min 100,000-BTU Indoor Natural Gas Tankless Water Heater w/ Vent & Air Intake Kits
Article #332004730
Model #ON-I14L-NG-0331
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 26L 6.9 GPM 180K BTU Indoor NG Tankless Water Heater
Article #332020688
Model #ON-I26L-NG
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 26L 6.9 GPM 180K BTU Indoor Propane Tankless Water Heater
Article #332020687
Model #ON-I26L-LP
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater with Hand Cart
Article #330907118
Model #ON-PWH-5L-HC
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14L 3.7-gal./min 100,000-BTU Indoor Natural Gas Tankless Water Heater
Article #330907111
Model #ON-I14L-NG
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 10L 2.6 Gal/Min 75,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump
Article #330676413
Model #ON-PWH-10L-DP30
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater
Article #330735749
Model #ON-PWH-5L
★★★★★ ★★★★★
4
(3)
ONSEN
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump
Article #330735748
Model #ON-PWH-5L-DP30
★★★★★ ★★★★★
5
(1)
ONSEN
Onsen 26L 6.9 GPM 180K BTU Indoor Propane Tankless Water Heater w/ 3-in Wall Vent Kit & Air Intake Kit
Article #332020685
Model #ON-I26L-LP-0331
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 7L 1.8 GPM 5,000 BTU Tankless Water Heater w/ Hand Cart
Article #332020682
Model #ON-PWH-7L-HC
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 10L 2.6 Gal/Min 75,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump and 1.0-L Accumulator
Article #330769539
Model #ON-10L-DP30-ACT1L
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen ½ Water Hose Kit for Portable Tankless Water Heater, Pump and Accumulator
Article #332004728
Model #ON-HKIT-3-1716
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 1.3 Gpm 32000-btu Outdoor Liquid Propane Tankless Water Heater
Article #332016657
Model #ON-5L-DP30-ACT1L-HKIT
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 7L 1.8 Gal/Min 50,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump and 1.0L Accumulator
Article #330907112
Model #ON-7L-DP30-ACT1L
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 26L 6.9 GPM 180K BTU Indoor NG Tankless Water Heater w/ 3-in Wall Vent Kit
Article #332020683
Model #ON-I26L-NG-37003
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 5L 1.3 Gal/Min 32,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump and 1.0L Accumulator
Article #330769537
Model #ON-5L-DP30-ACT1L
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 7L 1.8 Gal/Min 50,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump
Article #330907115
Model #ON-PWH-7L-DP30
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 7L 1.8 Gal/Min 50,000 BTU Outdoor Liquid Propane Tankless Water Heater
Article #330907117
Model #ON-PWH-7L
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 2.6 Gpm 75000-btu Outdoor Liquid Propane Tankless Water Heater
Article #332016658
Model #ON-10L-DP30-ACT1L-HKIT
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen ½ Water Hose Kit for Portable Tankless Water Heater and Pump
Article #332004729
Model #ON-HKIT-2-716
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 26L 6.9 GPM 180K BTU Indoor NG Tankless Water Heater w/ 3-in Wall Vent Kit & Air Intake Kit
Article #332020684
Model #ON-I26L-NG-0331
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14-L 3.7-gal./min 97,000-BTU Indoor Liquid Propane Tankless Water Heater
Article #330907113
Model #ON-I14L-LP
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14-L 3.7-gal./min 100,000-BTU Indoor Natural Gas Tankless Water Heater
Article #330907114
Model #ON-I14L-NG-37003
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 1.3 Gpm 32000-btu Outdoor Liquid Propane Tankless Water Heater
Article #332016660
Model #ON-5L-DP30-HKIT
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14L 3.7-gal./min 97,000-BTU Indoor Liquid Propane Tankless Water Heater
Article #330907116
Model #ON-I14L-LP-37003
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 3-in Aluminum Insulated Flexible Fresh Air Intake Kit
Article #332016655
Model #NE37031
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 1.8 Gpm 50000-btu Outdoor Liquid Propane Tankless Water Heater
Article #332016659
Model #ON-7L-DP30-HKIT
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14L 3.7-gal./min 97,000-BTU Indoor Liquid Propane Tankless Water Heater w/ Vent & Air Intake Kits
Article #332004732
Model #ON-I14L-LP-0331
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 10L Outdoor Propane Tankless Water Heater 2.6 GPM with Pump & Hose Kit
Article #332004731
Model #ON-10L-DP30-HKIT
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 10L 2.6 Gal/Min 75,000 BTU Outdoor Liquid Propane Tankless Water Heater
Article #330676416
Model #ON-PWH-10L
★★★★★ ★★★★★
2.4
(5)
ONSEN
Onsen 1.8 Gpm 50000-btu Outdoor Liquid Propane Tankless Water Heater
Article #332016656
Model #ON-7L-DP30-ACT1L-HKIT
★★★★★ ★★★★★
0
(0)

Changing store

You are about to change your selected store.

Please note that if you change stores, prices and availability shown on the website may vary and your shopping cart will empty.

Keep my store Change store