How to mend ... Heating Water System

ferroli optimax he 31 c d1 comes on display boiler not firing up correctly?

the boiler was fitted to existing system. central heating was working fine until bath tap turned on then water... [Read more]

myson orion pump over run stat?

I have a myson orion system boiler ,when the heating has been on and turned off by switch or room stat. The bo... [Read more]

how to fix an air lock in a heating system??

i took off two radiators in my house and had to drain out the system.when i connected them up again and turned... [Read more]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

sime friendly format 80 e pressure problem ??

hi, my sime boiler has a problem with building up pressure. the hot water side works perfectly. however if th... [Read more]

Phantom Boiler Operation at Night!?

I have a Potterton Profile 80E Boiler servicing my hot water and central heating. My timer system is Honeywel... [Read more]

Potterton Prima F?

I can't get my Prima F system to give me hot water and heating independently. I have been waiting on an engine... [Read more]

no heating or hot water ?

I think it is a pumped gravity system and there is no hw or ch, boiler fires up fine, all rads have been bled ... [Read more]

Vaillant turbotec VCW 255 E?

Hello, My heating system is giving a F 22 in the display when warm water is needed. What does this error co... [Read more]

BG C1 Boiler (Bosch)?

Hi I have a British Gas C1 boiler and over the last 6 years it's had 3 heat exchangers. It is now showing si... [Read more]

Baxi Solo RS Overheat cut out operates - specific conditions?

I have a Baxi Solo RS boiler - about 15 years old. System starts up every morning OK about 6:30am. Heating i... [Read more]

how can i fix my fiat bravo8o sx 1999 model 1242cc?

air block in water system,over heating,and heater blowing cold air

Switch master 805 heating problem?

I am trying to help a relative, they have an old heating system called a "switch master 805". I can set the... [Read more]

Noisy Halstead Hero 40?

I have had a noise for approximately a year on my heating system run by a 3 year old Halstead Hero 40. My plu... [Read more]

vaillant turbomax plus is not responding to settings?

Hi just wondering if any one has an idea why my vaillant turbomax plus is not responding to the set settings. ... [Read more]

Trianco Oil Boiler, pressure rises to 3 bars and vents out the back?

We have a trianco oil boiler. The pressure kept rising to 3 bars and then venting out the back. the system the... [Read more]

radiators not coming on ?

I've had an engineer out to my house a few times about this problem but still no joy so hopefully you can give... [Read more]

I have a Vokera combi that keeps lossing presure?

I have a Vokera combi that keeps lossing presure only when I use the centeral heating. I have changed the PRV.... [Read more]

how can I fix my ariston micro genus HE24?

There are no faut showing at all and the heating system is working fine. there are no blockages the heat excha... [Read more]

Problem with Ravenheat RSF 820/20 combi boiler?

I have just drained the hot & cold water from the system, when re-filled the central heating works fine, but t... [Read more]