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The mkiv Supra Owners Club

Any Plumbers or Heating Engineers


Chingy

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Help needed please.

 

Woke up this morning to a clicking noise, and the heating was off. Turned out to be what this silver box which is what I think is an actuator???? (Pics below) Is this right?

 

If I turn the heating off the clicking stops. On the side of the silver box thing is a sliding switch with two settings, it is on Automatic, if I move this to manual and hold it down the clicking stops and the pumps starts and the boiler fires up. The actuator?? pulls aways from where it is mounted on a 3 way valve and will do the same if it is on the pipe work or on in my hand.

 

Any one got any ideas what I am looking at as can't get a plumber out till tues :(

 

Can I just buy a new actuator push it on its mount and wire it up the same way it is currently wired which is into a chock block or is it something completely different.

 

Any help will be great :)

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