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Electromechanical Relays

Easy to install and is compatible with 2-and 3-wire 24V thermostats

RC840

RC840

This easy-to-install relay features instant activation and is compatible with 2-and 3-wire 24V thermostats

RC840T

RC840T

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