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faulty pipie stat?
Discuss faulty pipie stat? in the Central Heating Forum at Plumbers Forums; got a pipe stat that clicks on once frost stat signals but does not switch off? any one got any ideas. i think it is def wired up wrong as ...-
29-11-2010 #1Plumbing Forum Contributor
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faulty pipie stat?
got a pipe stat that clicks on once frost stat signals but does not switch off? any one got any ideas. i think it is def wired up wrong as connected to white wire (from 3p.v) in junction
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Re: faulty pipie stat?
Is the pipe heating up?
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29-11-2010 #3Plumbing Forum Contributor
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Re: faulty pipie stat?
yeah boiler switches on dont when get to pipe stat temp set around 15-20 just dont switch off
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29-11-2010 #4UK Plumbersforums Trusted Advisor.
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Re: faulty pipie stat?
Test the stat using a multimeter. If ok it is the wiring.
If you have 2 motorised valves it should be wired permanent live - frost stat - pipe stat - orange of the valves.
Mid position valve, perm live - frost stat - pipe stat - white of valve.
No valves, perm live - frost stat - pipe stat - switched live.
Frost stat should be set to around 5 deg and pipe stat fitted on the return set to around 25 deg.
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