How to mend ... Boiler Intermittent Problem

Potterton Suprima 50 cuts out soon after ignition of main flame?

I fixed the 'lock-out' problem last year by resoldering all the suspect joints on the PCB. After working OK f... [Read more]

Potterton Netaheat boiler doesn't always ignite?

I seem to have an intermittent problem with said boiler which approx 25 years old. Sometimes boiler fires up ... [Read more]

How can I fix my Myson Apollo 80Si boiler?

Sometimes my Myson Apollo 80Si boiler fails to ignite. the problem is that when this happens, the gas does no... [Read more]

intermittent hot water from vaillant combi vcw sine?

having just installed a new bath and sink I now have a problem with the hot water supply from the vaillant com... [Read more]

i have a glow worm swift flow 80 combi boiler, need help to repair?

dhw was intermittent and now i'm lucky if the heater fires up at all the pilot light is ok , i have fitted a n... [Read more]

Ariston Euro Combi SX20 MFFI - Intermittent Pilot Light Failure?

My boiler pilot light goes off and on intermittently. The fan seems to stay on but the pilot light doesn't. ... [Read more]

Intermittent Fault Vaillant turbomax VUW 242E?

How can I fix my Vaillant Turbomax VUW 242E? My boiler is 8 yrs old. The flame indicator illuminates but th... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

how can i fix my boiler glowworm ultimate 60 ff?

glowworm ultimate 60 ff,electrode sparks but pilot does not ignite consequently neither does main burner all e... [Read more]

Problem on my Baxi 105e?

The HW suppy is intermittent. From a cold start the fault indicator sometimes shows a sensor/overheating fault... [Read more]

Problems with my Valiant combi boiler?

Hot water is intermittent on my valiant combi boiler for a while now. However I could not get the heating or ... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

Glowworm Micron (40FF?). Reset mode?

My boiler has an intermittent problem. Occasionally it fails to light and just has the reset light on. Power c... [Read more]

Sime friendly format 80E Intermittent Relight?

I have the same problem as Neil Johnson. Switch on and runs fine, when the temperature has been reached the bu... [Read more]

Glow-worm 60 FF will not switch heating off?

I have a glow worm 60 FF with a intermittent fault that results in my heating staying on all night. I have a... [Read more]

sime super 90 plus boiler intermittent hot water?

sime seper 90 plus boiler will only produce hot water intermittently. heating works ok. can you advise a fix f... [Read more]

Potterton Netaheat 10-16 Mk 1 boiler fan problem ?

I have a Potterton Netaheat 10-16 Mk 1 boiler. It has recently started having problems firing up. These are ... [Read more]

Intermittent fault on Potterton Suprima 60?

Hi My boiler a Potterton Suprima 60 has developed an itermittent fault after 4 years of perfect operation.Th... [Read more]