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  1. H

    Gravity fed CH system - Pump question

    Any views on this yet please?. As I have said I have fixed the arm in manual mode and all is ok apart from it pumping hot water round the tank as well as the heating. Do you think it needs a new motor, If so I will go to SF tonight. Thanks
  2. H

    Gravity fed CH system - Pump question

    Ok that didn't work. The only way it will stay on is to push the valve motor to manual, does the mean it's the valve? Thanks
  3. H

    Gravity fed CH system - Pump question

    Looks damaged but its ok. Just got the heating on. Turned down the the tank stat so that doesn't interfere. Put a new timer on that I had and testing now.
  4. H

    Gravity fed CH system - Pump question

    Hi, checked voltage and as you suggest I lose voltage at the orange and brown. The cable from the tank stat looks damaged so will strip that back first and look. Will report back
  5. H

    Gravity fed CH system - Pump question

    Thanks, will try that and post the reuslts tomorrow night.
  6. H

    Gravity fed CH system - Pump question

    Has been working ok I'm sure up until the w/e. I just copied the wiring exactly, this was summer 08, have had one winter out of it and no problems?
  7. H

    Gravity fed CH system - Pump question

    Hi yes I do have a multimeter. The valve I put in last year as the previous one was stuck open. It came in a kit form from Scewfix which I'm sure is a Horstmann F322 2 port valve and according to the Screwfix site is 5 wires. The pump shuts off, then you can hear the valve wind afterwards...
  8. H

    Gravity fed CH system - Pump question

    Blimey that was quick ... thanks. It's a Wickes Heat 60 which I had fitted when I had an extension about 4 years ago You have to have the HW going if you want CH. Timer set to on both HW and CH but pump switches off when boiler reaches temp and the 2 port valve winds back which I get it...
  9. H

    Gravity fed CH system - Pump question

    Hi, been on here as a guest never as a poster. I have an ex council house gravity fed CH system which worked well apart from the odd cold radiator but was always fixed with a bleed. I have now discovered tonight the delights of balancing (and i thought they where just so you could remove the...
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