pump wont stop running!!!!


Postby paul31 » Mon Nov 26, 2007 9:12 pm

If any body could help please advise

i have a fully pumped system, when programmer turned to off or programmed to turn heat off the lights go off on programmer but pump still runs, have removed progammer from back plate and still pump runs only way i can turn it off is at the mains (fused spur)

Has anybody had this fault before? :?:
paul31
Posts: 2
Joined: Mon Nov 26, 2007 9:04 pm

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Postby muzza » Tue Nov 27, 2007 8:41 am

Sounds like one of your motorised zone valves or the 3 port diverter valves , which ever you have fitted, has stuck open. When the valve is open the microswitches inside the motor housing make a circuit bringing on the pump. Replacement valve heads cost sround £40 and require some basic wiring to replace or if your skills were up to it, you can replace the motor for around £10. Hope this helps, good luck
muzza
Posts: 19
Joined: Thu Aug 02, 2007 6:57 pm


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