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    Potterton EP 2000 swap with Honeywell T6R

    Hi All, done some reading on older threads on similar subjects but wanted to sense check before i start on mine. Currently have a Potterton EP2000 running in a Y-Plan (i think) and want to swap with Honeywell T6R-HW. I have mapped the existing wiring as below: The Potterton wiring guide is...
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