Tankless Water Heater Clearance Requirements

Unlisted water heaters shall be installed with a clearance of 12 inches 305 mm on all sides and rear.

Tankless water heater clearance requirements.

A tankless heater has a flow sensing device that is activated whenever a hot water tap is opened. This is as easy as heading down to the local planning or building department to ask for one. If the water heater is installed above the. Screws and plastic wall anchors for mounting on masonry or wood are provided.

The first permit is for the water heater itself. Maintain proper space for servicing. How much does a water heater permit cost. Tankless water heaters should not be installed near dryer vents or intake air vents.

The unit then heats the water using either a gas burner or an. 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. Insulation is applied to the entire loop. 15 attachment of the water heater.

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. Make sure that the mounting surface is solid and that the unit is level prior to securing the screws. If reticulating pump in system. Refer to the clearances section in the installation manual for proper clearances.

Nfpa 54 10 28 2 2 504 4 pressure limiting devices. Mounting clearances for stiebel eltron tankless water heaters. How tankless water heaters work. This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied.

Install the unit so that it can be connected or removed easily. Combustible floors under unlisted water heaters shall be protected in an approved manner. Tankless water heaters also known as demand type on demand or instantaneous water heaters heat water directly without the need to store water. You re only looking at 20 to 100 out of pocket as opposed to several hundred dollars to call in a plumber.

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 pressure temperature relief valve safety requirements the temperature pressure relief valve lets water escape if the temperature or pressure is too high. If the window does not open the tankless water heater clearance from a window requires a 12 inch setback.