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Hi All! This may seem like an extremely stupid question but I wondered if you have any advice on how to get a doorbell chime/transformer casing cover off (picture attached). It looks like it should just pop off but it feels like I'm going to pull the entire unit off the wall before the casing...

Hi All, I'm trying to upgrade my existing Honeywell CM907 thermostat to a newer Honeywell Lyric T6 but can't quite figure out how to translate the wiring from one to the other. The wiring diagrams are attached - As you can see the CM907 has two wires going to it from the boiler but the T6 also...