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We have 197 questions about mending 'ch hw help' in category Heating, Home Heating Systems which have been answered

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how to relight pilot light on baxi bahama 100?

hi, i have a baxi bahama 100 combination boiler. the flamw indicator is not on so i was wondering if there was... [Read more]
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Fan won't stop running on Ideal mini S28?

Hi, I've got an Ideal mini S28 boiler which is working fine, except that when the CH/HW program is off, the... [Read more]
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Ideal Classic?

i have an Ideal Classic boiler, the pilot light stays lit but will not ignite when the hw or ch is switched on... [Read more]
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modena 102 combi flame failure?

this boiler is 10 years old and now the flame fails on a reqular basis whether using HW or CH. The fan has bee... [Read more]
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Baxi Bermuda radituda 552?

My Baxi Bermuda 552 been in the house over ten years, it has been serviced regularly. lately I have noticed wh... [Read more]
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Mid Position Valve Not Switching - No CH?

Hi, Need some help with the below. I have hot water, but no central heating. Common problem you say, but i... [Read more]
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no heating or hot water ?

I think it is a pumped gravity system and there is no hw or ch, boiler fires up fine, all rads have been bled ... [Read more]
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whats wrong with my little star fanned combination boiler?

HW working fine CH working but when heating on it fires up for 1 minute then cuts off and then comes back on a... [Read more]
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no heating?

i have a domestic gravity fed pumped system with two mot. valves. the HW system works fine when controller dem... [Read more]
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My Potterton EP2002 controller lights are on but not firing hw or ch?

My Potterton EP2002 controller lights are on but not firing hot water boiler or central heating. I only had it... [Read more]
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My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]
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Potterton EP2000 programmer?

My Potterton EP2000 emits a clicking sound when BOTH CH and HW switches are ON. The proammer is working fine ... [Read more]
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my potterton ep2000 clicks when ch and hw on?

I can have hot water or central heating but not both - if i put them both on to 24 hrs the unit makes a clicki... [Read more]
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My CH only works if I have my HW on as well - help!?

I have a Potterton Netaheat boiler and Potterton Ep2000 controller. If I set the CH to a timer switching or to... [Read more]
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Halstead Quattro - Fires up, but no HW?

Hi. I know there are similar posts on here, but not exactly the same. Okay, this is the problem - even with th... [Read more]
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Worcester 24i RSF - No CH ?

Symptoms- When CH switched on (manual or timer) lots of clicking noise from pump area / bottom of unit. No ig... [Read more]
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micro combi 23 mffi?

my ariston micro combi 23mffi fires up on ch but runs for 2 mins then cuts out keeps doing this rads only luke... [Read more]
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Fix stationary fan on Vokera Excell 80sp?

Fan has always been running even when no demand for HW or CH. Boiler fires up ok for both & sounds like the fa... [Read more]
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Baxi Genesis 80 - no central heating?

The boiler does not run properly - I get about 10 seconds of flame on CH, then burner goes off. On HW it is ru... [Read more]
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How can I select different on-off times for HW and CH?

At the moment I can only programme both to come on and off at the same time. I have a Potterton EP2002
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