How to mend ... Heating Valve Boiler

c h boiler heats HW supply only,no central heating?

My system is a fully pumped central heating installation, with room & cylinder thermostat. Could the motorise... [Read more]

My Baxi solo 3 PFL boiler will not fire up when on central heating only ?

My Baxi solo 3 will not fire up when set to central heating only. Will fire up when set to hot water only and ... [Read more]

cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]

Halstead ace high boiler, ch not working?

my central heating is not working but the hot water is fine, think it may be the diverter valve but not sure

Pump runs when boiler satisfied?

I recently moved my central heating pump so as to give me heating for my towel rail off the primary circuit. A... [Read more]

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]

saunierduval f23e boiler pressure needle rises to red marking 4bars?

I have a f23e sanier duval boiler.The pressure gauge rises to 4 when we put the heating on and then water star... [Read more]

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]

sauni duval boiler F23E?

The water pressure needle goes to red marking ( 3to 4) when i use the central heating and water starts loosing... [Read more]

how can i fix my vokera maxim combi boiler?

my combi is about 12 years old, but lately it has been cutting out when the central heating and sometimes the ... [Read more]

heating probs?

what would make my boiler not stop working it is a pumped system will work when i overide with the 3 port valv... [Read more]

Ravenheat LS100T combi boiler?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]

Vaillant TurboMax Problem - Help please?

Hi, I have a Vaillant Boiler Turbo Max around 11 years old. Now the boiler has stopped working as it s... [Read more]

Glow Worm Boiler pilot light going out?

Had gas valve, coil and sensor replaced, also has pipes cleaned still my pilot light goes out and my boiler ge... [Read more]

ferroli optimax 25c?

no hot water turn on tap 3 way valve gos to heating and pump stops boiler gos off 03 fault .put 3 way valve to... [Read more]

No Hot water from combi?

I have a 10 year old Vokera Linea 28. I have no hot or cold water coming through the taps at all. The central ... [Read more]

saunia duval combi f30e pressure build up?

pressure increasing when running central heating saftey valve opening looseing water until pressure drops then... [Read more]

Potterton Profile (50e?) boiler pilot light on but no hot water or heating?

I've had a search for this issue and I have seen similar but most say they have issues with the pilot light no... [Read more]

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]