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    Swapping Drayton HTS3 for Honeywell L641A

    yes we have a mid position valve so that makes sense. I just wanted to check before running into any potential issues. I'll wire it up identical :-) Many Thanks
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    Swapping Drayton HTS3 for Honeywell L641A

    Good afternoon, I wondered if someone could help me. I am wanitng to swap my very old Drayton HTS3 Cylinder Stat for a new Honeywll L641A Stat. Could someone possibly confirm the wiring for swapping these two out. The HTS3 layout is : 1 Call For Heat 2 Satisfied C Common The...
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