glow worm

I have a Glow worm ultracom 2 30cxi boiler and am having some problems with water temp. The temp seems to have lowered to the upstairs taps and shower, the downstairs kitchen seems ok. Also running the bath seems to go from Luke warm to fairly hot. Heating seems ok. I tried to use the temp...

Hope someone can help with the following... I had an issue with No Hot Water and after going to the boiler I noticed the Pressure was going all over the place 0.5, 0.8, 1.2, just cycling through different pressures and the fan was making a whirring noise. I turned everything off and removed the...

Hi all, I am moving into a new home and wanted to install the Nest. I looked at the wiring to the Drayton reciever which seems simple enough, also wiring from the Glow worm boiler. I have the Neutral and Live coming from a fused switch and then 1 and 3 coming from the boiler. My assumption is...

If you set the hot water temperature to zero on the front panel control the hot water system never comes on. If you turn the control to the very minimum setting that will make the hot water circuit active, the burner lights and the hot water output temperature quickly rises to 65C (maximum). It...

Hi All, I have a Flexicom 24hx Boiler about 6 years old, Been fine till about 2 months ago, then one morning it didn't come on, F22 Code. I re-set it and all was fine. Then 2 days later the same, and then F5 then off again, this went on for about four or 5 days. I called a Boiler company and...

almost new boiler and new controls. all 'works' a treat however the controller isnt wired up right as heat is on all the time.. how should it be wired? boiler has E N L rt, controller has E N com no nc?

Hello all i have the GLOWWORM FLEXICOM 30cx combination boiler, i have bought the Nest V3 smart thermostat , i have wired up the boiler and the thermostat as far as i know correctly from the diagram with the nest instructions This is the fused power switch to the boiler the white sheathed...

Hi, I would love to get advice on upgrading my Nest thermostat to the Nest version 3 that controls your HW apart from heating. I have the Nest that just controls your heating. My condensing boiler is the Glow-Worm Ultracom 38hxi and the Nest Heat link is connected to the boiler and within 1m...

i have just moved into a new house in need of renovation. I removed a radiator yesterday and represurised the system afterwards. I woke up this morning to find the pressure dial at over 3.5 and the pressure release pipe outside dripping. I shut the water off and the boiler down and bled a...

Hi, I am a new home owner and admittedly very naive when it comes to things 'home' related! We have a Glow worm Ultracom2 35CXI combo boiler in the kitchen, and a manual twisty thermostat in the hallway. The boiler has 3 settings attached to the 'clock' where we could potentially adjust the...

hi there, I currently have a glow worm 35c boiler in my home, i'm trying to fit a BDR91 thermostat. the wiring diagrams aren't the clearest in the world. can someone help please? I have read loads of threads about the Wiring. do I have a new power source to the thermostat? my boiler has...

I’ve had many engineers with no luck, please help! I am running a glow worm 30 HXI boiler, approx 3 years old. It is a three zone system - one zone is the underfloor heating consisting of 5 loops (approx. 35sqm room), another zone is the rads consisting of 7 rads (6 have TRV's) and the final...

Morning, I'm having a problem sourcing a part for a Glow Worm 30ci interface board. We had an electrician come round to fit our cosy thermostat and he found that we needed a specific fitting to go onto the interface board, it appears to be a plug which covers three functions into the board; 1)...

I'm hoping someone can help with my issue please. Our 10 year old, regularly serviced, Glow Worm condensing combi boiler has recently started showing error F4 or F1 intermittently. Some days it works all day then another day I get an error code and have to turn the boiler off and back on again...

Hi we have moved into a new house snd one of the radiators needed bleeding.. i have bled the radiator but the the pressure has dropped to 0.4 , i have searched for a video or instructions on this model but ive had no joy. can any body shed some light .. i think its the black one but i wanted to...

Hi Can anyone please help me find an obsolete part for a Glow Worm boiler? The part no is 2000801127 - gas valve The current gas valve part is now 2000801129 which won't work on my bolier Many thanks Regards

I have tried a number of local plumbers but unfortunately, have had no success. I have a vented heating system and am running a glow worm 30 HXI boiler, approx 2 years old. It is a three zone system - one zone is the underfloor heating consisting of 5 loops, another zone is the rads consisting...

I have a Glowworm Ultimate 80FF boiler providing hot water and central heating (more than 15 years believe). Cold water tank in attic. hot cylinder (CYL) in airing cupboard with 3 port divertor valve (VALVE), drayton control programmer (PRG) and grundfos alpha pump(PUMP) fitted as well. Recently...

Hi All, I wish to fill my heating circuit for my Glow Worm Ultracom 24cxi Combi Boiler... I have switched off the boiler and opened both the grey taps through 90degrees and nothing happens. I am no expert and my boiler is in this current state of the attached pictures. Do anyone have any...

Hi Moved into a house that has a Glowworm 30 hxi boiler - never had an open vented system before. It was recently serviced but we've only just noticed that the boiler comes up to temperature, stays there for a few seconds, and then goes off. The pump stays on (it's on the highest setting). Is...