I've taken things into my own hands after going through the mill with this boiler/stat. I know I just need live and switched live connected to my new stat. My stat has connections A and B. I'd assumed from the diagrams on my instructions (HONEYWELL T6620B) that A was the switched live, but from reading a few posts here, the opposite seems to be true. Can anyone help me?
connecting honeywell digital stat to worcester boiler
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