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by scoobydoo
Wed Dec 05, 2007 9:04 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: radiator that won't turn off
Replies: 3
Views: 6850

what is lock shield

[quote="peter the plumber"]I think your trv has gone and is jammed open. (The gel has gone in the head).

Close the lock shield and leave it for a while to see if it’s cooled down.

Make sure its not duel fuel.[/quote]
by scoobydoo
Wed Dec 05, 2007 4:14 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: radiator that won't turn off
Replies: 3
Views: 6850

radiator that won't turn off

I have a ladder radiator in bathroom which won't turn off! Heating is off at boiler, I have turned room thermostat to zero, TRV is on 0, I've even turned dial on boiler to Summer setting i.e. hot water only. Boiler is a Worcester combi 24i. any ideas?
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