Tankless Water Heater Clearance Requirements

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.

Tankless water heater clearance requirements.

Facts about tankless water heater venting. This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied. 15 attachment of the water heater. How much does a water heater permit cost.

Tankless water heater vent clearances if the unit is vented to the outside then it needs 12 inches of clearance from a door or window. Tankless water heater pressure temperature relief valve safety requirements the temperature pressure relief valve lets water escape if the temperature or pressure is too high. Traditional gas tank water heater require venting through the roof. This valve should be connected to a tube that discharges no more than six inches above floor level so hot water won t scald anyone nearby.

Maintain proper space for servicing. Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements. A clearance area of 12 inches is required on all sides of a hot water heater. Tankless water heater design allows for multiple venting options.

If reticulating pump in system. Gas tankless water heaters don t have to use indoor air for combustion. You re only looking at 20 to 100 out of pocket as opposed to several hundred dollars to call in a plumber. The building code states that.

Tankless water heaters can be vented in two ways. The first permit is for the water heater itself. 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. Install the unit so that it can be connected or removed easily.

Tankless water heaters should not be installed near dryer vents or intake air vents. Refer to the clearances section in the installation manual for proper clearances. This is as easy as heading down to the local planning or building department to ask for one. A full bore shut off valve is required on cold water side unions must be installed within 12 inch of water heater to facilitate removal first five 5 feet of water line insulated maintains min.

Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents. If the window does not open the tankless water heater clearance from a window requires a 12 inch setback. A certain amount of airflow is also required for proper combustion and ventilation.