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Mend Change S Plan Y Ch System

Can I change S plan to Y plan CH system?

I have a Mid postion vavle (S) plan can I cange it to Y plan System to seperately control HW from CH.

john
October 2008
Heating, Home Heating SystemsChange S Plan Y Plan Ch System
Honeywell Y plan is mid position
Honeywell S plan is two zone valves , both separate control HW from CH.


For diagrams see
http://www.gasman.fsbusiness.co.uk/wiring.htm

a
October 2008

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