ONSEN - Water Heaters

Commercial/Residential
Refine by Tank Capacity
Venting Type
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 Portable Tankless Water Heater - 5 L
Format 32000BU-5L
Article #60845000
Model #ON-PWH-5L
★★★★★ ★★★★★
5
(2)
ONSEN
Onsen 10L 2.6 Gal/Min 75,000 BTU Outdoor Liquid Propane Tankless Water Heater
Article #330676416
Model #ON-PWH-10L
★★★★★ ★★★★★
2.8
(4)
ONSEN
Onsen 10L 2.6 Gal/Min 75,000 BTU Outdoor Liquid Propane Tankless Water Heater with 3.0 Pump and 1.0L Accumulator
Article #330769539
Model #ON-10L-DP30-ACT1L
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 3.7 Gpm 100000-btu Indoor Natural Gas Tankless Water Heater
Article #332004730
Model #ON-I14L-NG-0331
★★★★★ ★★★★★
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 14L 3.7-gal./min 97,000-BTU Indoor Liquid Propane Tankless Water Heater
Article #330907113
Model #ON-I14L-LP
★★★★★ ★★★★★
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 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 7L 1.8 Gal/Min 50,000 BTU Outdoor Liquid Propane Tankless Water Heater
Article #330907117
Model #ON-PWH-7L
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen Tankless Gas 1/2-in Rubber Water Heater Installation Kit
Article #332004728
Model #ON-HKIT-3-1716
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen Tankless Gas 1/2-in Rubber Water Heater Installation Kit
Article #332004729
Model #ON-HKIT-2-716
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 3.7 Gpm 97000-BTU Indoor Liquid Propane Tankless Water Heater
Article #332004732
Model #ON-I14L-LP-0331
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 2.6 Gpm 75000-BTU Outdoor Liquid Propane Tankless Water Heater
Article #332004731
Model #ON-10L-DP30-HKIT
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14L 3.7-gal./min 97,000-BTU Indoor Liquid Propane Tankless Water Heater w/ 3-in Wall Vent Kit
Article #330907116
Model #ON-I14L-LP-37003
★★★★★ ★★★★★
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 14L 3.7-gal./min 100,000-BTU Indoor Natural Gas Tankless Water Heater
Article #330907111
Model #ON-I14L-NG
★★★★★ ★★★★★
0
(0)
ONSEN
Onsen 14L 3.7-gal./min 100,000-BTU Indoor Natural Gas Tankless Water Heater w/ 3-in Wall Vent Kit
Article #330907114
Model #ON-I14L-NG-37003
★★★★★ ★★★★★
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 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 with 3.0 Pump
Article #330735748
Model #ON-PWH-5L-DP30
★★★★★ ★★★★★
5
(1)

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