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-   -   Replacing old whiterogers analog termostat (https://www.askmehelpdesk.com/showthread.php?t=69327)

  • Mar 6, 2007, 11:26 AM
    kobics
    Replacing old whiterogers analog termostat
    Hi

    I want to replace an hold whiterodgers thermostat 1e30-910 with a honeywell RTH230B for
    Oil heating system.
    There are two wires for the old one, one is connected to a point marked with R5 which is connected with a white wire to the mercury "bulb". The other is marked with 4 and is connected to the middle of the thermostat.

    Which of the wires I connect to W and which to Rh?

    Thanks, kobics
  • Mar 7, 2007, 07:23 PM
    juggallojed
    Quote:
    Originally Posted by kobics
    Hi

    I want to replace an hold whiterodgers thermostat 1e30-910 with a honeywell RTH230B for
    oil heating system.
    There are two wires for the old one, one is connected to a point marked with R5 which is connected with a white wire to the mercury "bulb". The other is marked with 4 and is connected to the middle of the thermostat.

    Which of the wires I connect to W and which to Rh?

    Thanks, kobics


    White to W

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