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by Simon78
Sun Apr 19, 2020 12:20 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating 3 Way Honeywell Valve Head getting hot
Replies: 7
Views: 33951

Re: Central Heating 3 Way Honeywell Valve Head getting hot

Did this get sorted, if so how? I suddenly have same problem, however nothing changed in setup in years. Motor after use of ch and hw making humming sound and unit getting very hot, turn off at mains humming stops and cools down. Looking at notes see one suggestion was to set hw last, did that work/...
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