Frisco TX Water Heater Requirements Updated
Effective September 2007, the Texas State Legislature enacted into the Plumbing License Law additional wording to specifically include water heaters in their list of plumbing fixtures, required by law, to have a plumbing permit issued prior to installation. In addition, the law provides that such installations be done according to current codes by a Frisco TX licensed master plumber and inspected by a licensed plumbing inspector.
Frisco Texas Water Heater Installation Requirements:
The City Frisco Texas follows the 2006 International Plumbing Code AND International Residential Code. Local amendments listed: Water heaters installed above ground or floor. When the attic, roof, mezzanine or platform in which a water heater is installed is more than eight (8) feet above the ground or floor level, it shall be made accessible by a stairway or permanent ladder with a minimum 300 pound capacity fastened to the building, or an access door from an upper floor level. Exception: a max 10 gallon water heater (or larger with approval) is installed is not more than ten (10) feet above the ground or floor level and may be reached with a portable ladder.
Requirements for discharge pipe: The discharge piping serving a pressure-relief valve, temperature relief valve or combinations valve shall: not be directly connected to the drainage system. Discharge through an air gap located in the same room as the water heater. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap. Serve a single relief device and shall not connect to piping serving any other relief device or equipment. Discharge to an indirect waste receptor or to the outdoors. When discharging outside the building, the point of discharge shall be with the end of the pipe six (6) inches above the ground or the floor level of the area receiving the discharge and pointing downward. Discharge in a manner that does not cause personal injury or structural damage. Discharge to a termination point that is readily observable by the building occupants. Not be trapped. Be installed to flow by gravity. Not terminate more than 6 inches above the floor or waste receptor. Not have a threaded connection at the end of the piping. Not have valves or tee fittings. Be constructed of those materials listed in Section P2904.5 or materials tested, rated and approved for such use in accordance with ASME A112.4.1. Not discharge into a pan required in Section 2801.5. T & P discharge line requires a union.
Where water heaters or hot water storage tanks are installed in attics or furred spaces, in an approved location within the occupied area of a building or in a garage adjacent to the common wall with an occupied area where leakage of the tanks or connection will cause damage, the tank or water heater shall be installed in a galvanized steel pan having a minimum thickness of 24 gauge or other pans approved for such use. City of Frisco requires an emergency drain pan in all locations.
Combustion air and ventilation: Combustion air and ventilation for fuel burning water heaters, other than as-fired, shall be in accordance with the International Mechanical Code as adopted by the City of Frisco, Combustion air and ventilation for gas-fired water heaters shall be in accordance with the Fuel Gas Code as adopted by the City of Frisco.
NEW!! Due to recent changes in manufacturer’s specifications, the City of Frisco requires the installation of a gas sediment trap for all gas water heaters.
NEW!! (9/21/09) A means for thermal expansion control is required where a closed system is in place. A PRV is considered to create a closed system.
City of Frisco TX Building Inspections 972-292-5300