Tankless Water Heater Installation Requirements California

Choose a location for the new water heater that will allow you to vent it to the outside easily.

Tankless water heater installation requirements california.

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. To heat the water quickly and efficiently tankless water heaters require a minimum 3 4 inch gas line. If money or return on investment is the principal reason you are considering converting to a demand type water heater you should perform an accurate total cost analysis that reflects all of the costs to install operate maintain both types of water heaters. 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 few rare cases may also require a third permit. One located within the top 1 3 of the water heater unit and one at the bottom 1 3. A room used or designed to be used for sleeping purposes 2. Mount the tankless water heater securely to the platform.

Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models. Because tankless units heat water on demand they also require higher btus. This is as easy as heading down to the local planning or building department to ask for one. For both gas and electric models a tankless water heater s overall energy efficiency is measured using an energy factor ef rating.

The first permit is for the water heater itself. The minimum capacity for storage water heaters shall be in accordance with the first hour rating listed in table 501 1 1. The bottom strap must be located at least 4 away from the water heater controls. A tank type water heater and a tankless or demand water heater for.

Tankless water heaters should not be installed near dryer vents or intake air vents. 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. In a closet or other confined space opening into a bathroom or bedroom. Water heaters require two seismic straps.

This ef rating is based on test procedures developed by the u s. 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. If the window does not open the tankless water heater clearance from a window requires a 12 inch setback. Direct vent water heaters.

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. Gas fired water heaters which depend on the combustion of fuel for heat shall not be installed in the following locations.