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by bergerland
Sun Apr 03, 2011 9:25 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Potterton programmer malfunction?
Replies: 2
Views: 3649

Potterton programmer malfunction?

Hi,
I have a Potterton EP3002 programmer, about 10 years old.
I am finding that the Central Heating is switching on when I have set the progranmmer to HW only. The only way to stop CH switching on is to turn off each radiator valve.

Any advice please?
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