How to mend ... Dhw Ch Hot Water

ferroli falcon boiler lockout?

my ferroli falcon intermittently stops supplying both dhw and ch,if i switch the reset then boiler reignites.w... [Read more]

csi85 1 year old?

i have two raventheat csi 85 and both give hot water when ch mode is on , but dont work when in the dhw only ... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

Why Intermittent hot water on the Vokera Compact 24?

In DHW/CH mode the heating works fine (all singing all dancing). Turn on the hot water tap and the boiler gas ... [Read more]

Jaguar 28 Boiler?

I have a problem with the central heating on my boiler - Jaguar 28. The hot water runs fine but nothing happen... [Read more]

Ferroli Modena 102 Temperature Problems?

I have problems when trying to adjust the temperature of both the DHW and the CH. Both are very high and do no... [Read more]

vaillant combi?

dhw is ok ch fires up for few seconds then goes off and continues this cycle on ch. only water in boiler is ge... [Read more]

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]

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]

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]

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]

unburnt gas in flue gases, glow-worm 100e electronic combi?

Boiler fires ok on DHW and CH, plenty of hot water and no unburnt gas in flue gases on DHW, but in CH mode boi... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

Baxi 105e instant?

My baxi 105e instant will not allow the c/h to come on. Even if the selector switch is set for dhw and ch only... [Read more]

One hot water tap only gets warm, others in house get HOT?

Hi I have a Glow Worm Compact 100p (permanent pilot) providing CH and DHW. All the hot water taps work fin... [Read more]

CH OK no HOT WATER on Vaillant Turbomax Plus 824E ?

Central heating works fine, but not hot water on any taps. When I turn the taps warm water coming for few SECO... [Read more]

vokera excel 80 E combi does not give hot water in DHW mode?

It gives hot water in the taps only when CH mode. Some times in DHW mode it attempts to fire and the fan may c... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

What`s wrong potterton puma 80?

System lock-outs, Low system pressure System over pressures, sometimes no water flow through heating system b... [Read more]