Old Number R8239A-1052

Provides low voltage control of line voltage fan motors and auxiliary circuits in heating, cooling or heating/cooling circuits - Includes transformer - Single pole, double throw (SPDT) switching

Provides overload protection for transformer - Convenient connections for thermostat and heating and cooling equipment wiring - Mounts on standard 4 x 4 junction box.

Can be mounted in any indoor location without additional enclosure - Relay is easily replaced without disturbing wiring - Includes relay enclosure.