The california water heater code is part of a larger statewide california plumbing code and has several very specific restrictions.
Tankless water heater code requirements california.
As well hot water heaters cannot be located in bedrooms or bathrooms.
The vent connector length is limited to 18 inches per inch 18 mm mm of vent connector diameter.
Water heaters with an input rating greater than 6 800 btu per hour 2kw require isolation valves on both cold water supply and hot water pipe leaving the water heater and hose bibs or other fittings on each valve for flushing the water heater when the valves are closed.
California law includes many additional restrictions for a wide range of materials and trades meant to maximize safety.
The bottom strap must be located at least 4 away from the water heater controls.
One located within the top 1 3 of the water heater unit and one at the bottom 1 3.
The appliance is draft hood equipped.
Or replacing a water heater.
This is not an all inclusive list and additional items may be required as determined during the inspection.
If the unit is vented to the outside then it needs 12 inches of clearance from a door or window.
Tankless water heaters and title 24 california title 24 energy calculations and reports for all building projects.
For a water heater the outdoor design temperature shall be not less than 5 f 15 c.
Based on the 2010 california plumbing code.
Tankless water heaters should not be installed near dryer vents or intake air vents.
The purpose of this technical bulletin is to provide guidelines for water heater installations.
As tiny amounts of carbon monoxide co may be released from gas water heater vents this regulation prevents human contact and accidents.
Approved location to prevent accidents water heaters cannot be located in a closet unless it is reserved for only the water heater.
Installing a tank water heater might seem easy but homeowners who refinish their basements often create a number of code violations with respect to the water heater.
A plumbing permit is required for the installation of a water heater.
Water heaters require two seismic straps.
Call toll free 888 828 9488 for more information.
If the window does not open the tankless water heater clearance from a window requires a 12 inch setback.
Prior to this inspection all required sequential inspections and correction notices must be completed.
Code expert glenn mathewson describes 10 common water heater code issues including confusion about drip pans and drains unsupported expansion tanks and plastic vents lack of combustion air and more.
All original and replacement water heater installations are required to be in compliance with california plumbing code cpc.