Honeywell RF2 Pack 3 Wiring Help

45974 · 12 Sep 2013

Evening.

Is there any way of wiring a Sundial ST9420C programmer into a gravity fed hot water/pumped heating system with no motorised valves? I know the best thing to do would be to put a 2 port valve in and turn it into a C-Plan, but I would like to know if it is possible without.

Thanks for any thoughts.

D_Hailsham · 13 Sep 2013

45974 said:
Is there any way of wiring a Sundial ST9420C programmer into a gravity fed hot water/pumped heating system with no motorised valves?

Simple answer - No.

You will have to convert to either a C Plan or fully pumped.

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Honeywell RF2 Pack 3 Wiring Help

45974

D_Hailsham

DIYnot Local

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