How to mend ... Boiler Cold Problem

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

potterton performa 24 ?

my boiler keeps fireing up then going off within seconds when heating is on it does get radiators hot but same... [Read more]

'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I fin... [Read more]

Boiler fails to start when cold?

Have got a vokera maxin 28e boiler which has been moved from kitchen into garage however now when cold it fail... [Read more]

how can i fix my boiler?

i have a vaillant turbomax 242e changed diverter valve but still not getting hot water .gasman told me dhw hea... [Read more]

Potterton Suprima, flashing amber light?

I had the dreaded PCB lockout issue a couple of years back, and had the PCB replaced. Bolier now works perfec... [Read more]

how can i fix my vokera mynute boiler?

my boiler doesn't fire up on very cold mornings i have to reset it then switch it back on and it fires up firs... [Read more]

Potterton Gold HE 24 Pressure and Water Problem?

I'v have had the boiler for a year now and although it's still under warranty, I'm not getting much joy from t... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

what is wrong?,sabre 25 he, hot water and heating doesn't stay on long?

Hi, i have a sabre 25 he boiler,one minute i have hot water and heating then next minute nothing, Hot water o... [Read more]

Potterton profile 40e ignition problem?

Hi can anyone help, I have a potterton profile 40e the boiler has been running fine until the other morning. I... [Read more]

New replacement Netaheat profile pcb not working?

What is the problem my new replacement pcb will now not work without me banging or jolting it then it sparks u... [Read more]

Siemens RDJ10RF shows incorrect temperature?

Hi there, can anybody shed any light on this problem- we have siemens rdj10rf wireless remote to operate centr... [Read more]

Glow worm 38cxi not lighting?

Have had the boiler for 8 years now and its been nothing but hassel ,about 6 months ago when I used the hot wa... [Read more]

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]

How can my Worcester condensing combi boiler be fixed?

We have a Worcester Greenstar condensing combi boiler and after 6 trouble free years, water keeps going cold. ... [Read more]

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]

vokera compact hot water going hot then cold ?

my vokera compact is letting me have hot water for approx 20 secs then runs cold then hot then cold . I have r... [Read more]

how can i fix my hot water problems om vaillant vuw 282?

I have a Vaillant vuw 282 e, when i draw hot water from bath tap, then at same time draw cold from cold tap my... [Read more]

Baxi duo-tech 28 he?

After using and switching off cold water tap the boiler switches on for a few seconds but doesn't fire up. Wo... [Read more]