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Jerry
Jerry, Plumber
Category: Plumbing
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Experience:  Residential journeyman plumber, over 20 years experience.
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My heating won't turn off...despite turning the boiler off

Customer Question

My heating won't turn off...despite turning the boiler off/down.
Submitted: 1 year ago.
Category: Plumbing
Expert:  Plumberpro replied 1 year ago.
Customer:

Hi , what boiler do you have?

JACUSTOMER-hhx7hohs- :

Ultracom 38Hxi glowworm

Customer:

Just downloading the manual , will be a few mins , thanks

Customer:

Hi , it may be either a fault in the boiler PCB or a fault with an external control. Do you have a room stat? And is it wireless?

JACUSTOMER-hhx7hohs- :

Room stat is wired, I think. It's in hall.

Customer:

Hi , the boiler has a frost stat built in could be faulty but . to confirm if it is an external control at fault , would be able to disconnect the switch livecwire in the boiler wiring centre. Its under the boiler attached by two screws.?

Customer:

Make sure power to whole heating is off first . it will be number 1 sw/l in the wiring centre

Customer:

.

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