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We have 149 questions about mending 'hw hot water'

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Mend Heating, Home Heating Systems

potterton kingfisher mf rs 80 user controls not responding?

The HW light stays lit and the clock shows 6:00 pm no matte what is done to the controls. This is also the sta... [Read more]
Mend Heating, Home Heating Systems

baxi 105e hot water not 100%?

Boiler works ok on ch. When on hw only temp depends on flow rate and although ch is off the radiator in bathro... [Read more]
Mend Heating, Home Heating Systems

no hot water when i select hw programme?

I select hw on control panel but only the c/h comes on the pipe to the cylinder does not get hot. is it the 3w... [Read more]
Mend Heating, Home Heating Systems

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]
Mend Heating, Home Heating Systems

potterton ep20001 programmer wont light hw?

my programmer will not light up the HW side of the display after a power out. If I select hw it switches the c... [Read more]
Mend Heating, Home Heating Systems

Spectrum Fuel-Miser Mk IV?

My central heating system has a Spectrum Fuel Miser Mk IV which provides: . Electronic temperature control of... [Read more]
Mend Heating, Home Heating Systems

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]
Mend Heating, Home Heating Systems

vokera compact hot water going hot then cold ?

my vokera compact is letting me have hot water for approx 20 secs then runs cold then hot then cold . I have r... [Read more]
Mend Heating, Home Heating Systems

Have an intermittent problem on a Sime 100 boiler?

Have an intermittent fault on a Sime100 boiler. Sometimes works fine other times does not work at all for hot... [Read more]
Mend Heating, Home Heating Systems

How can I fix my actuator?

I suspect that the actuator on the motorised valve (BGMVSP-23, aka Drayton MA1) is broken and would appreciate... [Read more]
Mend Heating, Home Heating Systems

heating, no hw on 24i junior?

I used the shower this morning, washed the dishes etc., everything was fine. Then the hot water failed. Ch wor... [Read more]
Mend Heating, Home Heating Systems

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]
Mend Heating, Home Heating Systems

ravenheat csi85 combi read this it will help many!?

I have a ravenheat csi85 boiler, the hot water works fine. The central heating started switching on /off, it w... [Read more]
Mend Heating, Home Heating Systems

Britony Chaff?

the hot water is intermittent, it doesn't shut off but water flutuates hot then warm then hot then warm, heat ... [Read more]
Mend Heating, Home Heating Systems

Worcester oil boiler; hot water on CH off, but CH keeps working?

I have a Worcester Heatslave oil boiler. the HW is on constant but when it kicks in to warm up the water, t... [Read more]
Mend Heating, Home Heating Systems

Hot water from boiler filling expansion tank?

I have an old type CH/HW system with storage cylinder in airing cupboard and Bermuda 552 back boiler. I notice... [Read more]
Mend Heating, Home Heating Systems

Worcester Greenstar 28i - Heating and hot water will not work at same time?

I can't get the CH & HW to work at the same time for some reason. They work seperately but not together. I s... [Read more]
Mend Heating, Home Heating Systems

eco 80 boiler. rads warm, hw intermittent?

worchester eco 80 central heating on full water on full both luke warm ..boiler fires up for ten seconds then ... [Read more]
Mend Heating, Home Heating Systems

both my Central Heating and Hot Water not working?

Hi, I tried to reset my boiler but now it wont work at all. I cant get either HW or CH. plz help
Mend Heating, Home Heating Systems

Chaffetaux Maury Brittony Boiler 80?

When boiler is in heating and hot water mode, with the heating ON, and we go to use the shower, the boiler fir... [Read more]
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