Tankless Water Heater Clearance Requirements

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.

Tankless water heater clearance requirements.

Stiebel eltron tankless water heaters should be mounted to a secure surface with 4 screws using the pre drilled holes in the back panel of the heater case. 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 heater vent clearances if the unit is vented to the outside then it needs 12 inches of clearance from a door or window. How much does a water heater permit cost.

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. Mounting clearances for stiebel eltron tankless water heaters. The unit then heats the water using either a gas burner or an. 15 attachment of the water heater.

Maintain proper space for servicing. 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. Install the unit so that it can be connected or removed easily. The first permit is for the water heater itself.

Combustible floors under unlisted water heaters shall be protected in an approved manner. Unlisted water heaters shall be installed with a clearance of 12 inches 305 mm on all sides and rear. This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied. If the water heater is installed above the.

Tankless water heaters also known as demand type on demand or instantaneous water heaters heat water directly without the need to store water. Screws and plastic wall anchors for mounting on masonry or wood are provided. How tankless water heaters work. 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. Nfpa 54 10 28 2 2 504 4 pressure limiting devices. A tankless heater has a flow sensing device that is activated whenever a hot water tap is opened. 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.

Make sure that the mounting surface is solid and that the unit is level prior to securing the screws. You re only looking at 20 to 100 out of pocket as opposed to several hundred dollars to call in a plumber. Tankless water heaters should not be installed near dryer vents or intake air vents.