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YouTubeMikey Pipes - Pipe Doctor Plumbing & Heating & Air
Backflow FAIL? Shocking Test Results on a 2” Watts Double Check Valve!
In this video, Mikey Pipes performs an annual test procedure on a 2” Watts Double Check Valve (Model LF007 M1 QT). What starts out as a routine backflow prevention test quickly reveals some unexpected results — possibly a faulty check valve! Watch as Mikey walks you step-by-step through the testing process using the TK-9A gauge kit ...
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