Northender Posted June 7, 2011 Share Posted June 7, 2011 Every year when we winter our holiday home I drain the Chauffage de Eau by turning the Group de Security and draining the water and leave it in the OFF position.When I filled up this year it started dripping straight away from the G de S..I guess that by leaving it in the OFF position there as been a build up of calcaire which is now preventing it from sealing properly.My question is are they servicable?I have already purchased another , noting that you can get anti-calcaire versions, which I wasn't aware of when I installed it 3 years ago.Also do you have to drain the tank to replace it? Link to comment Share on other sites More sharing options...
pachapapa Posted June 7, 2011 Share Posted June 7, 2011 Turn the knurled red knob anti-clockwise to flush. This will probably clear it. Normally done once a month to clear any deposits. Link to comment Share on other sites More sharing options...
Northender Posted June 7, 2011 Author Share Posted June 7, 2011 Can you turn them clockwise as well as anti-clockwise?I'm back in the UK at the moment and can't remember which way I was turning it.However when I turned it water came spurting out at a much faster rate.I tried this a few times but it did not stop the drip. Link to comment Share on other sites More sharing options...
Chancer Posted June 8, 2011 Share Posted June 8, 2011 Take it off, secure it in a vice or similar in its normal position, fill with vinegar and the next day it will no longer leak.If you have a Persian rug underneath you may want to rig up a tray to catch the few drips that may escape whilst it is detartring. Link to comment Share on other sites More sharing options...
pachapapa Posted June 8, 2011 Share Posted June 8, 2011 It might also be a water pressure problem. Do you have a pressure reduction valve? If yes then there may be imperfect seating of the valve allowing a small flow of water through the valve. In the event of the static water pressure being greater than 7 bars then the GdeS will leak permanently as 7 bars is the nominal release pressure. Link to comment Share on other sites More sharing options...
Northender Posted June 8, 2011 Author Share Posted June 8, 2011 Yes there is a pressure reduction valve positioned on the incoming mains.I thought it may be a de-calc problem.I wonder if the stuff you get to de-scale kettles would be strong enough? Link to comment Share on other sites More sharing options...
pachapapa Posted June 8, 2011 Share Posted June 8, 2011 French 1/2 inch reduction valves are of poor quality, the seating is chromed and once the chrome is lost at a spot on the seating a nick quickly develops.I used to change them every 9 months until one day I bought an Italian 3/4 inch reduction valve with a ceramic seating. Cost me maybe € 10 extra plus a couple of inline reduction nipples ( in the event that censorship and stars appear please read as the attachment nozzles found on mammary glands).[:D] Link to comment Share on other sites More sharing options...
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