How to mend ... Help Glowworm Apart

Replace programmer?

Have Glowworm Micron 80FF boiler GC41-047-51. Controlled with Randall 4033 mechanical timer. I need to know ho... [Read more]

got igniter problem/glowworm ultimate ?

After fitting new igniter.pilot lights ;but igniter keeps firing and will not light main gas jets

My glowworm 30cxi wont ignite! ?

The pilot appears to have gone out on my combi boiler. A red flashing light appears above the LED display w... [Read more]

how can i fix glowworm swiftflow 75?

on a glowworm swiftflow 75 the flow rate is poor on hotwater and radiators are getting hot when no demand.

Thermal cut out tripping on glowworm ultimate 120FF ?

The over-heat cut out keeps tripping after a couple of minutes..fan working ok, pcb fine and thermostat and cu... [Read more]

how to light my glowworm boiler?

I have had problems in the past and have changed the air pressure switch and printed cicuit board which cured ... [Read more]

how can i fix my glowworm combi 100e boiler - the pressure has dropped to 0?

Pressure valve has droped to 0

How do I replace a timer for a glowworm 24ci?

The timer for my glowworm 24ci keeps running slow , so taking advice I shall have to replace the timer. Is th... [Read more]

problem with glowworm 50bf (balanced flue)?

pilot lights fine. when calling for both heating and hot water pump runs but burner will not ignite or should ... [Read more]

How can i fixMy Glowworm Micron 70FF?

My 70ff Boiler has had difficulty igniting. I would find that the fan was running but the boiler/rads were col... [Read more]

glowworm ultimate 60ff?

boiler lights runs approx 30 seconds then stops

i have a problem with a glowworm space saver 50BF?

Pilot lights fine but when i turn thermostat pump runs but nothing happens burner wont light, apart from the o... [Read more]

GlowWorm Compact 80e, leaking DHW Micro Switch?

Hi, I have Glowworm Compact 80e that has a leaking DHW Micro Switch. I opened it and cleaned the red washer... [Read more]

Glowworm 38cxi repressurising question?

We have the above boiler, about 2 1/2 years old. It s sprung a leak in the DHW cast plastic pipe out of the L... [Read more]

Boiler not firing up?

Have a 5 year old Glowworm micron 50ff boiler, it has died!!! Wont fire up, has anybody any ideas, has this go... [Read more]

radiators get hot upstairs cold downstairs?

i had a new glowworm combi fitted some 12 months ago now i appear to have a blockage and only upsta... [Read more]

How can I fix my Glowworm 30ci plus boiler?

Recently replaced water flow sensor as it was leaking, now boiler wont fire up. I just get a clicking sound wh... [Read more]

Should my combi boiler come on when the cold tap is used..??

I have recently had a Glowworm combi (30cxi) installed - everything appear to be working fine, but I have noti... [Read more]

wireing diagram glowworm micron 70ff?

i have lost the manuel for our boiler and need a wireing diagram for it the boiler is a 2 year old glowworm mi... [Read more]

glowworm space saver 50 mk 2?

i have a problem with the pilot light not staying on,i think its the thermocouple but i cannot get the cover o... [Read more]