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YouTubeMikey Pipes - Pipe Doctor Plumbing & Heating & Air
Residential Backflow Test – Step-by-Step with Wilkins 350XL & Watts TK-9A
💦 Residential Backflow Prevention Device Tested in Real Time! Join Mikey Pipes on a real-world service call as we perform a required New York State backflow test on a residential irrigation system using a Watts TK-9A testing device and a Wilkins 350XL double check valve. Learn the step-by-step procedure for testing both check valves ...
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