Supco - NSI Industries

Technician-focused innovation for over 75 years, with an extensive offering of HVACR and Appliance parts, components and tools. View Products Since 1945, Sealed Unit Parts Co., Inc., (SUPCO) has been…

Supco 3 'N 1 Start Relay - 1/4 to 1/3 HP 230VThe 3 n'1 Start Relay adds new life to old refrigerators and freezers by providing an additional boost to the compressor. Replaces all 3 electrical components - relay, overloard and start capacitor on all capillary systems. Completely prewires. Installs qucikly and easily by simply pushing on 3 female pin terminals.

Supco RCO210 RELAY,OVERLOAD and Hard Start Capacitor

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