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Hot water from taps but not from shower (combi boiler)
itm2
Posts: 1,456 Forumite
Our Worcester combi boiler (30CDi) has just been repaired to replace a faulty fan. It is now working again, but while we get hot water from the taps, there is no hot water from the shower (not cold, but luke warm). Turning on the shower does fire up the boiler, but the water never gets properly hot. Any idea what the problem might be?
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Comments
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Cartridge in the shower may need changing.I'm a Forum Ambassador on the housing, mortgages & student money saving boards. I volunteer to help get your forum questions answered and keep the forum running smoothly. Forum Ambassadors are not moderators and don't read every post. If you spot an illegal or inappropriate post then please report it to forumteam@moneysavingexpert.com (it's not part of my role to deal with this). Any views are mine and not the official line of MoneySavingExpert.com.3
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As silvercar suggests, the repair could be coincidentally.
But what about hot water flow temp - has that been changed at the boiler? Do you know how to control it?
Some thermo shower mixers need a minimum 60oC DHW temp to operate correctly, so try that first.
Is the flow rate from the hot taps as good as before? The boiler has a cold supply for the DHW, and this has an isolating valve on it. Is it fully open?0
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