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Jerry
Jerry, Plumber
Category: Plumbing
Satisfied Customers: 760
Experience:  Residential journeyman plumber, over 20 years experience.
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Our Boiler only runs a few seconds of hot before going cold.

Customer Question

Our Boiler only runs a few seconds of hot before going cold. if you switch it off 30 seconds or so, you can get the same thing again.


 


The Boiler is a Glowworm Swift Flow 75/80 (It says inside)


 

Submitted: 2 years ago.
Category: Plumbing
Expert:  Andrew Smith replied 2 years ago.
IS this only a problem with the hot water?
Customer: replied 2 years ago.

Yes, just the hot water. The heating is all fine and works well. There's no pattern either, sometimes it can be fine, others it's impossible to get more than a few seconds. Both with the heating on and without.

Expert:  Andrew Smith replied 2 years ago.
There is a hot water thermistor that controls the hot water, but it depends on whether it actually fires or not as to whether this is at fault?
Customer: replied 2 years ago.

It seems to fire, but but that could be the heating part working?


 


 

Expert:  Andrew Smith replied 2 years ago.
Ok, but is the water staying hot or does the heating get hotter?

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