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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

home Fix label Heating label_important Home Heating Systemsdone

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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home Fix label Heating label_important Home Heating Systems

Can I change S plan to Y plan CH system?

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Can I change S plan to Y plan CH system?

I can answer this question ...

Can I change S plan to Y plan CH system?

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