Aube Technologies RC840T-240



    Compatible with 2- and 3-wire thermostat, this all-in-one relay includes a built-in 24 V transformer

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    Direct replacement for any brand name relay
    Built-in 24 V transformer for easy installation.
    Compatible with 24V thermostats with 2-wire connections (R,W) or 3-wire connections (R,W,C)
    Immediate relay activation provides improved temperature control and comfort