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Combi Boiler heats radiators when hot water only is selected.

Thread starter ACJM
Start date Jul 23, 2020
Tags

boiler combi combi boiler hot hot water radiators water

ACJM

Jul 23, 2020

#1

My combi boiler has started heating the radiators when I select hot water only. Any ideas ? The system has been in for maybe 10 years.

Aquarius

Plumber

Gas Engineer

Jul 23, 2020

#2

what is the make and model?

ACJM

Jul 24, 2020

#3

Aquarius said:
what is the make and model?

Hi, It's a Potterton Promax Combi 28 Hea

ACJM

Jul 25, 2020

#4

Hi, it's a Potter ton Promax Combi 28

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