crazymotorbik... Nearly there...
Joined: 05 Mar 2006 Karma :
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Posted: 11:39 - 19 May 2013 Post subject: Boiler primary flow ploblem |
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Hi,
Before I begin I'll point out at no point would I touch the gas side of my boiler. I maybe soft but I'm not daft
Started having a problem recently were my Halstead boiler (piece of crap I know) locks out as it hasn't detected a flow. Looking inside I noticed that the plunger which pushes the primary flow microswitch is very sluggish. When water has been run and the plunger is extended it retracts very slowly when the hot water tap has been turned off. Sometimes it doesn't retract fully so the microswitch contact isn't broken.
I replaced both the diagrpphams, gland nuts and microswitches over 3 years ago and have had no problems since (besides the secondary heat exchanger which regularly furs up.)
Prior to this problem the pump made a very loud noise one night as if it were stuck or struggling. Not sure if this maybe related.
Any suggestions as to what the problem may be? |
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crazymotorbik... Nearly there...
Joined: 05 Mar 2006 Karma :
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calyx World Chat Champion
Joined: 11 Dec 2008 Karma :
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Posted: 19:43 - 19 May 2013 Post subject: |
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I would start with bleeding the pump.
Actually I am lying. I would start with buying a Viessmann boiler.
And I agree with moving the thread idea ____________________ Boris - London |
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L4Isoside World Chat Champion
Joined: 08 Mar 2010 Karma :
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