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Rick Ridley
Rick Ridley, UK Heating Engineer
Category: UK Plumbing
Satisfied Customers: 1561
Experience:  30 Years on the tools, now retired, Ex CORGI
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I think i have a problem with my Glow worm ultra com 30 cxi

Customer Question

I think i have a problem with my Glow worm ultra com 30 cxi boiler thermostat. The water temp does not stay constant and it goes cold after a few minutes running hot and i have to stop the water flow in the bath or shower and re start it for it to get hot again.
Submitted: 1 year ago.
Category: UK Plumbing
Expert:  Andrew Smith replied 1 year ago.

Does it stay on longer if you run the tap faster?

Is it only one tap you have a problem with?

Customer: replied 1 year ago.
It stays longer if I run the taps slower not faster. It is a problem with all taps but mostly upstairs.