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    mixer shower runs cold-combi boiler

    Hi Dave- all taps and the other mixer shower fine- just looked at installation instructions and it doesnt mention non-return valves. Do you think a presure reducer on the main cold feed pipe (before the boiler) would help at all? Good wishes Allan
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    mixer shower runs cold-combi boiler

    Hi- Can any1 solve this problem? I have a thermostatic mixer shower. It runs off a combi maxi boiler. cold pressure is v good- so is the hot. But it comes out only mildy warm- virtually cold. when i turn on the cold basin tap the mixer seems to get hotter- is this a problem with the thermostat...
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    Economy7 immersion- no hot water but works on boost

    Hi Louise Many thanks for all your helpful information on this. Been playing with my multimeter a bit more so should be able to check if the thermostat is working ok. A funny thing happened this morning though- The Economy 7 heating must have kicked in overnight and we had lovely hot water...
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    Economy7 immersion- no hot water but works on boost

    :D oh dear! btw- 11 inch thanks again Allan
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    Economy7 immersion- no hot water but works on boost

    Thanks Softus- you obviously know your stuff! Going to have a look now
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    Economy7 immersion- no hot water but works on boost

    many thanks for your useful advise- I will let you know how I get on! All good wishes Allan PS- are the elements to these heaters universal?
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    Economy7 immersion- no hot water but works on boost

    Very helpful Softus I am a plumber by trade- its the electric side that gets me- I do own a Multimeter but am still very patchy in understaing how to use the thing. I may price up for a new element. Many thanks for all your help
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    Economy7 immersion- no hot water but works on boost

    Many thanks John and Nige- The heater is method 2. If I swap the wires around (4 & 5) Could this cure the lack of overnight Eco7 heating? I am not very gemmed up in this field i'm afraid.
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    Economy7 immersion- no hot water but works on boost

    Hi all Just signed up to DIY NOT FORUM- Can any1 out there help me please? My Econonmy 7 system is not producing hot water in the morning. It used to for over 3 years! It is stone cold in the morning....But if i boost it for about an hour- the water is nice and hot.. Any ideas or suggestions...
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