In many instances, as a home inspector in Magalia, I have found folks that are shocked that the work done by a hired Licensed Contractor are below par, and won’t pass even a cursory “sniff test” let alone a true whole house inspection. This is why SDM Home Inspections always suggests getting a second opinion on any work done in your home, even if you are hiring licensed contractors.
In this case we have a water heater installed by a licensed plumbing contractor in Butte County. The PTR discharge is plumbed with copper pipe to a flexible water heater supply line, and then on to another length of copper pipe that we will assume discharges safely per code.
UPC 608.5 States relief valves located inside a building shall be provided with a drain, not smaller than the relief valve outlet, of galvanized steel, hard drawn copper piping and fittings, CPVC, or listed relief valve drain tube with fittings which will not reduce the internal bore of the pipe or tubing (straight lengths as opposed to coils) and shall extend from the valve to the outside of the building with the end of the pipe not more than two (2) feet (610 mm) nor less than six (6) inches (152 mm) above the ground or the flood level of the area receiving the discharge and pointing downward. Such drains may terminate at other approved locations. No part of such drain pipe shall be trapped or subject to freezing. The terminal end of the drain pipe shall not be threaded.
In plain layman’s English, “flex lines” are not allowed in discharge plumbing. Additionally, while the exterior of the above flex line appears to be “stainless steel”, it is actually an extruded core of PVC tubing (covered in stainless steel braiding) that is not permitted for discharge tubing.
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