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Mend Glow-worm 100E Compact Hot Runs Tap

I have a glow worm 100e compact. The hot water runs cold when fully on?

When you back off the tap say 30% on it runs warm to hot but the flow rate is slower obviously and it takes longer to fill the bath. Showers are out.
I've checked the diaphram - ok.
I've replaced the thermistor and now the divertor switch. however the divertor valve mechanism doesn't seem to pop out as the manual describes. Is the spring faulty or bent (it doesn't look it)? Could there be sludge of sh*t in the vacinity? Please could you help?

Chris email: chizizome@blueyonder.co.uk
February 2007
Glow-wormGlow-worm 100E CompactHeating, Home Heating SystemsHot Runs Tap
the water will be cold because your not giving the boiler enough time to heat it all boilers do it.the slower the water passes through the hotter the water.
as for the shower you may have to fit a pump to assist the boiler because your boiler wont be enough to supply it.
how old is the boiler? buy a bigger one which will supply the shower as well

doodle
February 2007

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Glow-worm 100E Compact - Cold Hot Water