Onsen 14L Indoor Natural Gas Tankless Water Heater 3.7GPM 100K BTU (w/ 3 Inch Wall Vent Kit & Air Intake Kit) upsell-bundle-7l Onsen is the only portable

Onsen is the only portable water heater on the market featuring a dual-ignition system with two convenient options to choose from when you're venturing outdoors

Bring the comfort of Onsen to all your outdoor adventures

the Onsen Hand Cart is the perfect solution to easily transport the Onsen 5L Tankless Water Heater wherever you want it to go

smoother flow and give you better control of hot water temperatures

Termination Hood

Onsen 14L Indoor Natural Gas Tankless Water Heater 3.7GPM 100K BTU (w/ 3 Inch Wall Vent Kit & Air Intake Kit) upsell-bundle-7l Onsen is the only portableEnjoy hot water on demand, anytime! The Onsen 14L Indoor Gas Tankless Water Heater turns cold water into instant hot water when you want it. Fueled by natural gas, the 14L has an electronic ignition powered by a standard 120v outlet and activated by water pressure & flow. It also features a direct vent system that pulls air from the outside to burn gas, preventing the loss of warm indoor air and allowing for installation in restricted spaces such as a