Posted by dave on October 13, 2001 at 13:50:33:
Can I use standard ball valves to regulate zones? My system uses some "needle like" valves that turn with a screw driver and they are leaking and need to be replaced THANKS
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Comments: : Can I use standard ball valves to regulate zones? My system uses some "needle like" valves that turn with a screw driver and they are leaking and need to be replaced THANKS