Has a small opening on the non-pressure side to allow drainage when it is in cut-off position. Helps prevent freezing of water lines in winter.- Also known as a bleeder valve or drainable valve.
- Comes in threaded, sweat, flare and slip joint ends. The latter two are municipal and emergency valves.
- Flat head or socket head are common residential types have a socket head that takes a 3/8" key rod.
Stop & Waste Valve
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