How to mend ... Boiler Keeps Going Cold

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

ravenheat h85t looses pressure on ch only?

I have had my boiler switched to dhw only through summer ,now its dropped cold but back to ch/dhw works fine o... [Read more]

saunier duval F30E therma condens boiler. hot water not working ?

I have a f30e therma condens boiler, in the summer i had hot water great but i turned on the heating the other... [Read more]

HW issues w. Vaillant boiler?

My Vaillant turbo Plus 824E is playing up for the last few months. One morning there will be no HW, the next m... [Read more]

Worcester 28 CDI with DHW fault?

When I turn on my hot water tap, the combi boiler fires up its usual way and supplies hot water but after 1 mi... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

Glow Worm Compact 80E switches on without the tap !?

This morning I heard clicking and went to the boiler and noticed the domestic water heater switches on and off... [Read more]

How do I get my Ariston micogenius comb boiler to ignite?

I have a microgenius combi boiler. A couple of days ago my bath and shower water temp dropped and both were lu... [Read more]

I keep having to reset my Potterton Prima F Boiler?

My boiler keeps cutting out and having to be reset. It started when we had a really cold patch over Christmas ... [Read more]

no hot water evrything fires up?

Hi need help. Iv`e got a sime super90 I fitted a new diverter valve and micro switch about 8 months ago. Ever... [Read more]

TRVs not working?

I had a new combi boiler fitted about a year ago but it was only used for hot water but I recently had central... [Read more]

how do i turn down the water temperature on my worcester 24i boiler???

everytime i try to use the shower i either get scalded or i freeze, there is no hot water temp control on the ... [Read more]

My shower and hot water taps are running cold?

I have an ideal slimline classic boiler and the piolt light is on and it seems to be working. However i have j... [Read more]

how can i fix my 26cdi boiler no hot water?

hot water comes on goes cold after 2 mins auto air vent opens then closes water heats up then goes cold after ... [Read more]

how can i fix 26cdi boiler no hot water?

hot water comes on goes cold after 2 mins auot ait vent opens then closes water heats up then goes cold after... [Read more]

No hot water ?

Boiler, fires up and produces about 1 litre of hot water, then runs cold . Boiler flashes, F14.

Help with hot water feed on my Potterson Performa 28 boiler?

Hi, We have a strange issue in our house where the hot water is working, but not for every sink in the hous... [Read more]

cold water supply jammed?

Hi, I have Ravenheat Combi boiler. I turned of Cold water supply to the boiler yesterday to replace leaking pi... [Read more]

Potterton Performa 30 HE Central Heating Sensor?

Hi all, I'm experiencing some intermittent problems with my Potterton Perform 30 HE. If anyone could advise... [Read more]

ferroli f30?

combination boiler ferroli f30 .Hot water suddenly goes cold when we are showering.NTC's replaced.Please help.