gloworm

Hi, I am dealing with a problem in a 2008 gloworm 18hxi. It works, and the house gets warm. But not as quick as it used to, and it does that on/off/on/off/on thing when the flow in the exchanger is knackered, and it is trying not to overheat. I appreciate it is old and so whole replacement...

Hi I have a Gloworm 30CI which has been in the house since we bought it in 2007. I have repaired and replaced the filler cap and the odd o-ring and it's generally given us very good service. It started leaking one day from what seems to be right at the back on the left side of the pump, I have...

Hi, I am hoping someone can help. I live in a two story ex council house with some small and some large rads (small in bathroom, large in all other rooms). I have a glow-worm betacom 30C boiler. Until recently it has worked fine since it was fitted in 2018. However I am experiencing issues...

Hi all, got the above boiler that was installed in the house back in 2009 before we moved in in 2017. The boiler works as it should, it heats up the hot water and the radiators fine and everything is balanced. however it has started to act rather strange with the heating on. The boiler will...

Bought a house recently and I am renovating it at the moment. It has a gloworm 24cxi combi boiler with a british gas on/off clock and a separate wired thermostat, im looking to upgrade it to a wireless stat. Does anyone know if a honeywell DT9E like this will work with this boiler: The...

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

Hi, New PCB that i purchased comes up with F70 code (incompatible software). I have been made aware that i need to reset it, however Vaillant woudl only release info ofr GasSafe engineer. Anyone can help? The display has only 3 buttons, Mode, + and - Could not find any info in the manual...