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Senior Member

Posts: 16

Location: USA


Friday, September 2nd 2005, 10:56am

Valve configuration

When designing a system should one consider a master valve before all zone valves? Is there a recommended wiring configuration if a master valve is used?


Supreme Member

Posts: 5,287

Location: Metro NYC


Friday, September 2nd 2005, 4:15pm

A master valve serves as insurance against a stuck-open zone valve, but it also presents the possibility of a stuck-closed master valve. My first choice at a valve upgrade would be for valves with flow controls.

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