Barge Venus Posted December 6, 2016 Report Share Posted December 6, 2016 Hi I have a 6ltr Morco boiler and it seems to keep surging does anyone no why ? Link to comment Share on other sites More sharing options...
Chop! Posted December 6, 2016 Report Share Posted December 6, 2016 Is it because your pump is causing a surge? Link to comment Share on other sites More sharing options...
Barge Venus Posted December 6, 2016 Author Report Share Posted December 6, 2016 I was thinking that any idea why it would do that ? Link to comment Share on other sites More sharing options...
cereal tiller Posted December 6, 2016 Report Share Posted December 6, 2016 I was thinking that any idea why it would do that ? Accumulator needs repressurising? Link to comment Share on other sites More sharing options...
Ex Brummie Posted December 6, 2016 Report Share Posted December 6, 2016 (edited) If you've turned the flow down to get hot water in cold weather, your pump is probably pulsing as the pressure keeps building up with the low flow. If you have an accumulator, check the pressure is not too high. If you don't have one, then fit one. Edited December 6, 2016 by Ex Brummie Link to comment Share on other sites More sharing options...
Barge Venus Posted December 6, 2016 Author Report Share Posted December 6, 2016 Cheers for the advice Link to comment Share on other sites More sharing options...
bigste Posted December 6, 2016 Report Share Posted December 6, 2016 If the water pressure at the tap is surging it will be due to the accumulator losing pressure for sure. You need to re pressurize it. Link to comment Share on other sites More sharing options...
Nightwatch Posted December 7, 2016 Report Share Posted December 7, 2016 How would one go about repressurising an accumulator? I ask as I fitted a new one to Nightwatch about nine years ago, perhaps more, and I can't remember ever having pressuring it from the start or even since. The system works fine, the pump goes off when you'd expect it. Is it a case of 'if it works don't fix it'? Martyn Link to comment Share on other sites More sharing options...
WotEver Posted December 7, 2016 Report Share Posted December 7, 2016 Footpump as you'd use on a car. If it ain't broke... Link to comment Share on other sites More sharing options...
Nightwatch Posted December 7, 2016 Report Share Posted December 7, 2016 Is there a particular pressure to pump to? I know, I'm learning. Link to comment Share on other sites More sharing options...
WotEver Posted December 7, 2016 Report Share Posted December 7, 2016 Is there a particular pressure to pump to? I know, I'm learning. Just below the pump cut-in pressure. So for instance if the pump cut-in pressure is 12 psi you'd want 10 or 11 psi. Link to comment Share on other sites More sharing options...
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