How to mend ... Hot Cold Boiler

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]

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]

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.

haunting us to despair ?

I have a ravenheat rsf 84et,its been nothing but trouble since i had it fitted,It has a mind of its own, works... [Read more]

how can i get my water hot?

My hot water is running stone cold but my shower is still hot, i have a combi boiler Worcester 28 CDI , any id... [Read more]

No hot water?

I have a PROTHERN 100EC Wall hung combination boiler When we turn on the hot water taps only cold water comes ... [Read more]

boiler?

i bought a new main board for my myson midas boiler it is working but it runs hot then cold if i leave it for ... [Read more]

How can I fix my Greenstar CDi condensing combi boiler?

...after nearly 4 years of fault free operation from new, this morning I had no hot water & a "EA" message dis... [Read more]

Ferroli Optimax not heating water?

I had the hot tap on today and the water suddenly went cold. Now when you turn the hot tap on the boiler is no... [Read more]

combi boiler?

This query concerns the hot water to the shower and kitchen mixer tap. I turn on the hot tap and the boiler do... [Read more]

why cant i get any hot water?

recently removed radiator due to diy. since i refitted it ,found i cant get any hot water or central heat copp... [Read more]