DIY Frequently Asked Questions / Stop & Waste Valve
- DIY Frequently Asked Questions / Stop & Waste Valve')"> 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.