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    Water running even when stop cock turned off???

    Thanks Tony. Great advice about the pipe stat, I didn't even know you could get one of those. I will fit one of those anyway. It was noisy a couple of years ago, so I turned the pump off. Now my wife is at home all day (new mum) I turned it back on. It was quiet for the first 2 months...
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    Water running even when stop cock turned off???

    Could it be a hot water secondary re-circulation system? I have one of those that is incredibly noisy and i'm trying to figure out how to make it quieter, but it is great because I have instant hot water without waiting for 10 minutes.
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    Megaflo & Secondary Circulation System Noise

    Hi. I've got a Megaflo tank with a Secondary Circulation System for ensuring I always have instant hot water. The water moving through the pipes is really noisy. It is not the pump that is noisy, and nor do I believe it is because 22mm pipe is connected to 15mm pipe at some point (which...
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    Wiring Problems on Hot Water Circulation Pump

    Thanks TGM26, this was very helpful. The trick was realising the froststat was in series. I've not yet replaced the froststat, but the pump is working now. Cheers...
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    Wiring Problems on Hot Water Circulation Pump

    Hi All, I have a megaflow in the loft together with a hot water circulating pump that is not working. It used to work but was a bit noisy and I didn't really need it so I turned it off (it has a fused switch). Now, having recently become a father, and thinking it would be quite useful...
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    Vokera Mynute 20se - Boiler keeps turning on when not needed

    Boilerman2 et al, I want to thank you for your posts. A few months of a noisy boiler finally drove me to distraction and I did something about it. So one problem was in fact that the zone valve was not closing properly. It took me ages to find this, it turned out to be directly behind the...
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    Vokera Mynute 20se - Boiler keeps turning on when not needed

    Thanks guys. I've made some major progress. I got a new diaphragm and took the flow switch off and replaced. The old one was not too badly worn. After a lot of fiddling and working it through, I got to the bottom of the problem. As Agile said, the flow switch is backwards, it pulls in when...
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    Vokera Mynute 20se - Boiler keeps turning on when not needed

    Thanks again. Can I just check with you, is the "diaphragm" the little rubber part you refer to the in this diagram? It is on page 29 of the service manual, http://vokera.co.uk/wp-content/uploads/2009/04/mynute_10se_14se_20se_installation_and_servicing_instructions.pdf If so, it...
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    Pictures

    Vokera Mynute 20se Manual<br><br>Pump Diagram
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    Vokera Mynute 20se - Boiler keeps turning on when not needed

    Thanks Boilerman2. I just looked "motorised valve actuator" up on the google, and that is the thingy in the loft that the heating engineer changed when he did the frost stat. So that can't be the problem as its brand new. If I recall it has a sliding arm on it, and it moves OK without...
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    Vokera Mynute 20se - Boiler keeps turning on when not needed

    Hi All, I have Vokera Mynute 20se Boiler - its about 12 years old. I will describe the setup, and what I have done so far, in just a moment. The system works fine for HW and CH when we want it. The issue is that even every 15 minutes or so, day and night the boiler fires up for about 60...
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