Wiring a Honeywell ml1 5sb

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Randommoz
Randommoz ✭
in General Questions & Topics
Hi I have an old Honeywell thermostat

Wired identically to this one .

My understanding is:

Earth to P1
2 to P2
3 to NO
1 to COM

Can anyone confirm this is correct?

Best Answer

  • Emcee
    Emcee | Admin
    Answer ✓
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    Hello @Randommoz,

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