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Plumber Shows How to Test a Backflow Preventer (Watts 007) — Real Life Service Call!
Uncut. Raw. Real. Watch master plumber Mikey Pipes perform a full annual backflow device test using the Watts 007 Double Check Valve. This isn't a staged demo — it's real-world plumbing in Rockville Centre, NY, on a Sunday morning. Using the Watts TK-9A backflow test kit, Mikey walks you step-by-step through testing TWO 1” Watts 007M1QT ...
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