The Plumber's Choice 1/2 in. MIP x FIP x 2 in. Length Brass Heating System Shutoff Expansion Tank Isolator Valve with Drain (5-Pack)
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The Plumber's Choice Expansion Tank Isolation Valve is the ideal choice for flow control in your heating systems. It installs between the expansion tank and air scoop and enables easy flow control for repair and maintenance. It features a solid brass body, secure MIP x FIP connections and a comfort grip vinyl lever handle. Manufactured with the highest quality materials and workmanship, it will serve your plumbing needs. faithfully. Isolates expansion tank and allows the boiler to fill at 0 pressure.