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Glow worm compact 80e - No hot water, but rads work fine?

I no longer have any hot water from my Compact 80e, but the central heating is running fine. What will cause this prob ???
celticbhoy, November 2008
Sounds like your diverter is faulty. Possibly a jammed diverter valve (figure 14.13) or a blown thermistor (figure 14.14) or a dodgy microswitch (figure 14.17), where all figure numbers are from online manual at

http://www.glow-wormorders.co.uk/manuals/pdf/Boilers/Compact80E_UIS.pdf

Mark, November 2008