Unanswered Questions

Heating, Home Heating Systems

domestic hot water?

my DHW is not heating up unless CH is in operation the model of combi is Jaguar 23

glowworm 24ci swiching problem?

My glowworm 24ci keeps trying to switch on even when it's set not to come on. It keeps coming on/off in burst... [Read more]

How can I fix my Siemens RDJ10RF thermostat/transmitter?

I woke up this morning to find the transmitter showing only the (incorrect) time...no temperature reading or a... [Read more]

ferroli optimax pressure problems?

water pressure at 1 bar heating comes on creeps up to above 3 release some pressure when heating off boiler co... [Read more]

baxi Combi 105e circulation pump overheating?

my boiler keeps tripping out as the circulation pump gets very hot, but the fan/flue fault indicator keeps lig... [Read more]

what does a flashing L 9 mean on the make isar HE24?

No heating or hot water, L 9 flashing, what does this mean? The combi boiler is an isar HE24.

I have a Glow-worm Flexicom hx boiler 2 yrs old. It is not igniting?

I have a Glow-worm Flexicom hx boiler 2 yrs old. It is not igniting and i get 2 codes showing in the display F... [Read more]

fault f9?

Boiler glow worm 30 cx shows fault f9 although pressure is 1.5 bar, it is imposbsible to start it after re... [Read more]

apollo15/30?

radiators get hot upstairs but not downstairs had a new honywell part fitted two weeks ago

baxi brava 4 gas fire?

can you just change the thermocouple,or do you have to change the full pilot unit.

Jaguar 23. what's F1 code? ?

Have misplaced installation/error codes manual for a Jaguar 23 (Potterton?). What does F1 code mean?

how to fix baxi 105e c/h fault?

hi guys /girls, i have just fitted a new diaphragm in differential valve then put it all back togeth... [Read more]

My potterton ep 2000 controller is it worn out?

When both switches (ch and hw) are in the on or 24hr position on the controller the motorised valve should go ... [Read more]

Vokera 28 Compact gas boiler cutting out?

My Vokera Compact 28 gas boiler runs for a couple of hours and then cuts out, with the ignition light turning ... [Read more]

how can i fix my ravenheat ls80t?

when i open the tap for hot water it is only luke warm burner lights onboiler but doesent seem to be heating w... [Read more]

My Isar HE24 keeps switching itself on without the time!?

My boiler keeps coming on randomly without the timer, the display shows a 't' then stays on for a few minutes ... [Read more]

my boiler has a low fan speed fault?

how do i sort out my low fan speed fault

cant get boiler to stay on?

it fires up and then a little symbole in the middle comes on cant get hot water either

home heating system?

how can i set the clock on a celsia 28le boiler

potterton statesman oil boiler?

radiators are heating up but ive no hot water - why?