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Thread: CT87B compatibility

  1. #1
    Junior Member

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    CT87B compatibility

    I need to replace this old CT87B non-programmable thermostat. Everything here is basic: Older ranch house, '2000' Heil 9MPD furnace and a Heil '2002' CA5530VKD2 AC unit.

    My question is: Is a Honeywell CT87N 1001/E1 a compatible replacement for my CT87B?

    I've looked around for a compatibility chart for these older non- programmable thermostats but came up empty.

    Many thanks for any help,
    Mike R.

  2. #2

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    Yes. Replacing industry standard with updated version of industry standard.

  3. #3
    Junior Member

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    Thank you so much for your help. I guess we can call it a direct replacement then. I'll get it ordered today.
    Many thanks,

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