Wired Outdoor Or Slab Sensor
    Accessory for the T755S, T855SH and T855iSH

    Simple. Affordable. Professional.

    Temperature range       
    -4˚F to 140˚F (-20˚C to 60˚C)
    Temperature accuracy         +/- 1˚F
    Transmission  Constant resistance 
    • Move sensing location away from thermostat

    • Use up to 16 sensors for averaging

    • Compatible with the T755S, T855S and T955S


    R250S Installation Manual

    R250S Submital Sheet

    Pro1 Linecard

    Pro1 Line Card
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