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Mend Going Ch Dhw

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We have 231 questions about mending 'going ch dhw'

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Mend alpha 240 hot

Alpha 240 eco boiler doesn't getting hot enough?

My Alpha 240 eco doesn’t getting hot enough. When DHW or CH are on the boiler lights up and stays on for abo... [Read more]
Mend combi ch dhw

How can I fix my Halstead Ace High combi?

I have adequate CH but the DHW is not hot enough. (Luke warm is an exageration!) The lower heat exchanger ha... [Read more]
Mend potterton low pressure

Potterton Puma 80e - low pressure switch - boiler not firing?

I have just changed a low preesure switch on a Potterton Puma 80e. When I recconnect the two cables the boiler... [Read more]
Mend vaillant turbomax 242

Vaillant Turbomax VUW GB 242 E - no hot water?

CH works fine. DHW works when CH is on. No DHW when CH is off. White rocker arm isn't pushing down the mi... [Read more]
Mend pump hot runs

potterton combi 80 pump stops when hot?

my boiler runs ok for DHW had new divertor valve last year and flushed. CH starts runs for 20 mins, rads get h... [Read more]
Mend fires 10 15

How can I fix my Ferroli Modena 102 Combi?

The boiler fires on both CH and DHW FOR 10 to 15 seconds and switches off, it keeps doing this. It seems worse... [Read more]
Mend lock after few sec

biasi riva compact 24s goes to lock out after a few sec?

my boil goes to lock out after a few sec on dhw and ch any ideas thx biasi riva compact he m96.24sm/c2
Mend diverter valve problem

Diverter valve problem?

I've an ICON T combi boiler - no further ID, sorry. Gets CH but no DHW. Help from another forum suggests Diver... [Read more]
Mend baxi keep cutting out

Baxi Bahama 100 keep cutting out?

My dreaded boiler has not had 2 sets of flow switches, cleaned at least twice, new expansion vessel etc. The p... [Read more]
Mend combi boiler dhw ch

Chaffoteaux Britony combi?

Hi, I can't work this out. The boiler has problem running in DHW and CH modes. It tries to start several times... [Read more]
Mend boiler dhw days

Is my Fan faulty?

After having problems with my boiler not supplying any DHW or CH the last couple of days i am of the opinion i... [Read more]
Mend modena combi boiler

ferroli modena 80 e blowing fuses and no power to fan?

I have a 5 year old ferroli modena 80 e combi boiler and it recently stopped working. Checked the fuse on the ... [Read more]
Mend glow ultimate heating boiler water

Glow Worm Ultimate 50FF making "popping" noises?

During heating my 50FF boiler is making popping noises almost as if the water is boiling inside. It is not hap... [Read more]
Mend vaillant boiler mode

Vaillant Turbomax VUW 242E/282E not igniting automatically?

The boiler does not ignite when in auto mode in either CH or DHW. The lockout indicates and when it is reset, ... [Read more]
Mend heat ch boiler

vaillant vcw-gb 242 eh not igniting to either heat dhw or ch?

boiler was drained to look at water valve diaphragm as central heating was not working (ie) diverter valve no... [Read more]
Mend fire dhw ch

Ferroli Modena 80e won't fire up, D.H.W or C.H?

When i put a call in for DHW or CH everything starts ok but the burners dont fire up, there is a spark, i have... [Read more]
Mend ravenheat csi 85

ravenheat csi 85?

flame failure light comes on immediately when both turning ch or dhw on.ravenheat csi 85.
Mend problem 18 months

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]
Mend 80 help again

Ferroli modena 80e 80 e HELP AGAIN !!!!!!?

ok, eventually i got fed up and called out british gas, fixed charge call out they replaced my gas valve (got... [Read more]
Mend boiler temperature cold

How can I fix my Ferroli F30 combination boiler?

The water temperature keeps going hot and cold on all taps throughout the home. We have replaced the CH and D... [Read more]
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