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by rylandsian
Mon Jul 25, 2011 5:59 pm
Forum: Appliances in the Home Forum
Topic: Central heating control
Replies: 3
Views: 3924

Central heating control

I have taken out a faulty switchmaster 1151 controller and fitted a Horstmann centaur plus c27. The wiring should have been straight forward. switchmaster wiring was, 1 2 3 4 5 CH live neutral water not used. Horstmann wiring is now, 1 2 3 4 5 6 neutral live not used not used water ch Basically noth...
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