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Hello, This is the diverter valve removed from my Glow Worm 30cxi Condensing boiler: It was the cause of many problems which I have now sorted out, but would like to keep it as a spare. The failure of this valve was caused by a build-up of dirt which had caused the valve actuator...

My Glow Worm 30cxi condensing boiler is definitely on it's way out. It is leaking and the actuator on the diverter valve does not work (PCB fault). Hence does anyone have a boiler that can fit in the same hole / attach to the same plumbing for sale please? Cheers, Andy

Hi, In trying to fix the control PCB for my boiler, I reverse engineered a schematic that then showed me where the fault was. I now share this in the hope that it may now help others. Note: This is a FULL circuit diagram and INCLUDEs components NOT FITTED (N/F) to the PCB - for this I...

Combi-boiler: Glow Worm UltraCom 30cxi Installed: 2007 Serviced: From the log book, never. Issues found: Stuck diverter valve: Moved into my new home November last year. Immediately noticed problems with hot water in so much as the radiators would warm up too. 'Solved' this somewhat by...

Hello, I have a Glowworm Ultracom 30cxi condensing boiler installed in my attached garage. I live in mid terrace 3 bedroom property which has 6 Stelrad Vita Compact Radiators, Double panel K2 (I think) of various sizes and a towel rail radiator in the bathroom. Total max power output of all...

Hello, Can anyone identify this shower control please? I need to replace the cartridge as control over hot / cold is lacking the cold part! Thanks in advance, Andy

Hello, I have a Glow-worm Ultracom 30cxi Condensing Boiler. Inside is a 'three way valve'. This valve is controlled via what I assume to be an actuator (with micro-switches?) connected to 4 wires, white, orange, blue & green. Q1) is the actuator to control the valve position which is...

Just moved home & I am pleased to see installed a Glow Worm (Valiant) Ultracom 30cxi which I read has generally good reviews. This condensing boiler was installed about 7 years ago into the garage (which is 1/2 integral to the house). So, questions if I may with which I hope to seek useful...

Ha, dropped my precious Makita cordless power drill down the cavity wall of my 2 storey house. I knocked it with my elbow and down it fell, all the way down the 3 inch cavity from the top of the house all the to way to the bottom. I could just about see it with my torch shining down there...

[UPDATED POST] OK, since the first post of my schemtic I have updated this (original) post becasue the original image was too crap to be read properly. I have therefore improved this image and also added the other two PCBs that I came across and rev-eng'd. As you can see there are 3...

Of course, it being Chirstmas the boiler's causing problems... The boiler is a Baxi Solo 3 pfl-50. 1) Initial problem was no heat. This was down to the venting fan not working and hence the air pressure switch not operating. I replaced the fan with an ebay one for £30 and fitted it...

Hello, I have Baxi Solo 3 PF50 boiler with this problem - chattering relay when there is no heat demand - it has developed over the last month or so. Boiler is only 2 years old. First off, I am an electrical & electronics engineer c 20 years experience. I read that there is 'a known...