How to mend ... Trying Ch Boiler

vaillant gb 242 eh - what should water level be? please help?

Hi The Ch and HW keeps cutting out as pilot wont ignite.looked at the water guage - red and white hands - whi... [Read more]

Hot Water but no Central Heating?

Hi - I have a Glow-worm Hideway. I have a control box/timer which controls both HW and CH. I usually have the ... [Read more]

boiler will not light?

i av a myson apollo 30si was working then stopped will not ignite on hw or ch

Hot Water But No CH Poterton Neataheat Profile 30e-80e?

In addition the my previous question (with same title), I managed to get the Central Heating (CH) working for ... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

how can Ifix my diverter valve?

do I have to turn the water off and drain the CH system to replace the diverter valve diaphragms on my baxi 10... [Read more]

Hot water ok but what's wrong with central heating?

That time of year to turn on central heating. Hot water been working fine all summer, tried CH today but no jo... [Read more]

Overheating light on in boiler (Potterton Flowshure Plus)?

I have a Potterton Flowshure Plus boiler. When I put the CH on today there was a slight rumble and squeaking f... [Read more]

Vokera 80SP question?

The boiler works fine both HW and CH, but the operation sequence seems not quite right. When CH is selected, i... [Read more]

Vaillaint COmbi boiler CH turns off after 1minute?

My mumz Vaillant combi boiler (18yrs old) ignites for CH demand then the flow heats up, Return remain cold...a... [Read more]

Potterton Prima 40C - Pilot light on, no fan/main burner?

Help! No heating! It was working perfectly until yesterday. The pump's working ok, and comes on when the CH... [Read more]

Boiler cycling - 10 seconds on 10 seconds off?

Myson apollo 30si, CH only, boiler thermostat on low, no room stat, radiator stat's on 4 radiators - 2 without... [Read more]

hOW CAN I FIX mY BAXI 105E COMBI BOILER?

ON BAXI 105E BOILER THE CH PRESSURE VARIES WITH BOILER TEMP. FROM LESS THAN 0.5 BAR COLD TO 3BAR HOT HAVE CHE... [Read more]

could it be a thermistor?

trying to find out whats wrong with my vokera option combi, it fires up on hw then trips out, the water then g... [Read more]

how can i fix my vailent combi model vcw 242eh?

pressurised boiler after flushing rads , to one bar,when running heating the pressure rises to two bar,when ch... [Read more]

Halstead High Ace Boiler HW & CH Problem?

Hi, I am at my wits end and need help as winter set in with 3 children. My boiler has played up for many yea... [Read more]

Problem with CH only on Ferroli Combi 77 FF boiler?

Hi I have a ferroli combi 77 FF boiler which works fine on DHW and is OK the first time it comes on with CH. H... [Read more]

how to fix boiler pilot light potterton flamingo 50s?

please help, pilot light goes out every night, boiler works fine hw&ch when re-lit but is a real pain as boile... [Read more]

Potterton puma boiler hw but no ch?

Hi my boiler will run for hot water but not for ch. Have fitted new micro switch,and the flow pin connects an... [Read more]

pressure loss in my Vaillant boiler?

my vaillant boiler model VC GB 242 EH is installed as a pressurised central heating & hot water system. The... [Read more]