Tankless Water Heater Installation Requirements California

A tank type water heater and a tankless or demand water heater for.

Tankless water heater installation requirements california.

Water heaters require two seismic straps. Direct vent water heaters. One located within the top 1 3 of the water heater unit and one at the bottom 1 3. The minimum capacity for storage water heaters shall be in accordance with the first hour rating listed in table 501 1 1.

To heat the water quickly and efficiently tankless water heaters require a minimum 3 4 inch gas line. Gas fired water heaters which depend on the combustion of fuel for heat shall not be installed in the following locations. 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. 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. Because tankless units heat water on demand they also require higher btus. This ef rating is based on test procedures developed by the u s. A few rare cases may also require a third permit.

In almost all circumstances replacing an existing water heater will require either one or two permits. A room used or designed to be used for sleeping purposes 2. The first permit is for the water heater itself. Choose a location for the new water heater that will allow you to vent it to the outside easily.

A clothes closet or 4. Mount the tankless water heater securely to the platform. Build a platform with 2 x 4 inch pieces of lumber that will allow you to mount the new tankless water heater about four inches from the wall. The bottom strap must be located at least 4 away from the water heater controls.

This is as easy as heading down to the local planning or building department to ask for one. The regulations of this chapter shall govern the construction location and installation of fuel burning and other types of water heaters heating potable water together with chimneys vents and their connectors. No water heater shall be hereinafter installed that does not comply with the manufacturer s installation instructions and the type and model of each size. 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 heaters should not be installed near dryer vents or intake air vents. Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models.