Indoor Tankless Water Heater Clearances

Refer to the clearances section in the installation manual for proper clearances.

Indoor tankless water heater clearances.

Gas tankless water heaters don t have to use indoor air for combustion. The attractive thing about tankless water heaters is that you aren t as restricted to where they can be installed as a storage tank system is. Facts about tankless water heater venting. Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements.

That said you are still required to have a certain tankless water heater clearance to windows and other factors. Sunday june 17 2018 an outdoor gas tankless water heater should not be located within an area extending twelve inches to the side and one foot above or below any door or the operable area of a window that can be opened per ansi a21 10 3. Tankless water heaters can be vented in two ways. Maintain proper space for servicing.

A tankless water heater requires a 4 foot clearance from the side or below a door or window that opens unless the unit is directly vented to the outside. Install the unit so that it can be connected or removed easily. The water heater must be installed in a location where the proper amount of combustible air will be available to it at all times without obstructions. Let s dive right into the meat of the guide on tankless water heater location.