download the new for ios West Virginia residential appliance installer license prep class

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The outlet end of such tubing shall be fastened in place.Licensing Requirements for HVAC Professional in West Virginia Be one nominal size larger than the size of the relief-valve outlet, where the relief-valve discharge piping is constructed of PEX or PE-RT tubing.Be constructed of those materials indicated in Section P2906.5 or materials tested, rated and approved for such use in accordance with ASME A112.4.1.Not have a threaded connection at the end of the piping.

Terminate not more than 6 inches (152 mm) and not less than two times the discharge pipe diameter above the floor or waste receptor flood level rim.Discharge to a termination point that is readily observable by the building occupants.Discharge in a manner that does not cause personal injury or structural damage.Discharge to the floor, to the pan serving the water heater or storage tank, to a waste receptor or to the outdoors.Serve a single relief device and shall not connect to piping serving any other relief device or equipment.Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap.Discharge through an air gap located in the same room as the water heater.Not be directly connected to the drainage system.The discharge piping serving a pressure-relief valve, temperature-relief valve or combination valve shall:

Download the new for ios West Virginia residential appliance installer license prep class