How to mend ... Combi Central Heating

I found my radiators on but the timer was off?

Today I found my radiators hot but the timer was not set to turn the central heating system on ? I have a stan... [Read more]

How do you flush a sealed central heating system?

I've put some Fernox superconcentrate F1 in one of the rads and its been circulating for about a month or more... [Read more]

Why does my central heating system keep loosing presure ?

my central heating is loosing presure every couple of days, I keep topping it up via the link valve to the col... [Read more]

how can i fix my boiler?

ive just changed the diaphram on a ravenheat ls80 combi because hot water not working. after testing hot water... [Read more]

glow worm 30 cxi combi boiler - no central heating!!?

The central heating no longer works, the hot water is fine though. when i attempt to switch the central heatin... [Read more]

how do I increase the pressure on worcester bosch highflow 400 combi boiler?

I have a worcester bosch highflow 400 combi boiler, about 14 years old. The hot water cuts in and out when the... [Read more]

Baxi combi 105HE boiler fault on the heating side?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

Water leaking from pressure valve of Baxi 80E combi Boiler?

When I put the central heating on the water leaks from the pressure valve. I keep topping the boiler up to 1 ... [Read more]

Baxi Combi 133 HE Plus problems?

My girlfriend has one of these boilers which is 2-3 years old in a new build property. The timer unit on the ... [Read more]

what is wrong with my combi ?

HI, i have a potterton puma 100 combi, about 12 year old and when i switch the central heating on,after approx... [Read more]

Saunier Duval combi - central heating OK, yet no hot water?

Very useful to have these forums, so can anyone please help, or is it the changeover valve, as someone else's ... [Read more]

Potterton Promax combi not working after re-pressurisation?

We had a new kitchen fitted in summer which meant the removal of a radiator. The workmen replaced it but never... [Read more]

Central heating system switches off after 5 minutes?

I have a Potterton Combi boiler. In the last week the central heating has broken down. When the continuous swi... [Read more]

Halstead Boiler - CH working but no hot water?

Hi, I've got a Halstead Quattro Gold combi boiler, the other day the hot water stopped working but the cent... [Read more]

worcester 24CDI - possible problem with pcb?

Hi, I hope someone can help me confirm a possible diagnosis! My combi-boiler was working well until a few ... [Read more]

baxi combi 105 he, no central heating?

Can anybody help, Have just came back from holiday and left a family member to move a radiator, hot water work... [Read more]

central heating not working?

i have a worcester combi boiler 24 junior hot water working but as soon as switch on c/heating it runs through... [Read more]

central heating pressure problems?

i recently replaced the pressure relief valve on my halstead ace high combi boiler because the pressure kept d... [Read more]

Worcester 350 combi pressure rising to 3 bar?

Central heating pressure rises to 3 bar (initial pressure = 1 bar) and pressure valve operates. Once cooled, p... [Read more]

Halstead Finest Gold Combi Boiler water going cold / heating locking out?

The water is only luke warm even though i have turned the temp up and the central heating will start up and ru... [Read more]