Tankless Water Heater Clearance Requirements

Tankless water heater design allows for multiple venting options.

Tankless water heater clearance requirements.

Refer to the clearances section in the installation manual for proper clearances. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents. 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. 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.

If the window does not open the tankless water heater clearance from a window requires a 12 inch setback. If the water heater is installed above the. 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. Tankless water heaters should not be installed near dryer vents or intake air vents.

A certain amount of airflow is also required for proper combustion and ventilation. This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied. A clearance area of 12 inches is required on all sides of a hot water heater. Tankless water heaters can be vented in two ways.

Traditional gas tank water heater require venting through the roof. Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements. If reticulating pump in system. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.

This is as easy as heading down to the local planning or building department to ask for one. Install the unit so that it can be connected or removed easily. How much does a water heater permit cost. 15 attachment of the water heater.

Maintain proper space for servicing. Insulation is applied to the entire loop. Facts about tankless water heater venting. 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.

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