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I have a glow worm compact e100 combi boiler.(lucky me) I had been having problems with hot water, somebody told me to check the thermistor, i turned electric supply of but forgot to isolate water. When i removed the thermistor water went everywhere. I mopped most of it up and tried to dry...

Having trouble getting hot water. About 5 months ago replaced diaphragm for hot water. (After receiving good advice from this site.)Hot water worked great for a month or so.Pressure seems ok, i get hot water when i run bathroom tap but when i run kitchen tap at variying speeds boiler not firing...

is this something that i can do it will it require a proffesional?

glow worm compact e100 isolated boiler, drained boiler leaving valve open bar pressure dropped to zero. removed cap on expansion vessel put pressure gauge on nothing registered pumped air in using footpump pumped up to 1 bar pressure dropped to zero. i find locating footpump difficult due to...

Thanks very much for all the advise. I do appreciate it> I have found the valve on top of expansion vessel looks similar to a bicycle tyre valve.There is a metal type clamp adjacent to it which is preventing me from getting any leaverage on it, but at least i have found it. Is it possible to...

No sign of any leaks. I found out some info it said"isolate and drain boiler. leave drain open. Test air pressure with tyre gauge? to .75-1 bar if low pump up with foot pump. If this info is sound adsactly where and how do you test air pressure? Do you need to remove boiler it sounds simple!!!

I have a glow worm compact 100e which i am having pressure problems with. I have been told the problem is the expansion vessel. The boiler is only 5 years old and has recently had a new diaphragm fitted on the water side. I replaced the diaphragm and would like to tackle the expansion vessel...

I have a glow worm compact 100e combination boiler. Everything runs fine until i put the central heating on, or rather turn it off!! As the system cools down the pressure drops to zero. Sometimes boiler lockout light comes on. I re-pressurize it to 1.5 bar. Everything ok no loss of pressure...