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Sabre 29 water pressure drop?

sabre 29 water pressure dropped, how to increase the pressure
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Mend Honeywell CM900 Heating Wiring

what are the terminals for wiring a honeywell cm900 to a potterton he 24 bo?

wiring terminals for honrywell cm 900 to a potterton he24

i kelly
September 2009
HoneywellHoneywell CM900Heating, Home Heating SystemsHeating Honeywell Wiring
If this is just a room stat it will have to go through a time control. If a programable room stat it will connect to the switched live in the boiler.

If you do not understand about wireing Heating systems leave it alone you could blow the boiler !

Cost about £50.00 to get it done

joe
September 2009

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