Johnson Controls A421ABC-04 Temperature Control Els PW 17895 an electrical suppressor to mitigate

an electrical suppressor to mitigate signal interference

Ensure the mounting surface is clean of debris before insertion

and NCGM series air handlers

and 'FAN' connects to the condenser fan motor

Johnson Controls A421ABC-04 Temperature Control Els PW 17895 an electrical suppressor to mitigateThe Johnson Controls A421ABC 04 is a line voltage, single stage electronic temperature control designed to provide precise switching for HVACR systems. Operating on 120 240 VAC, this controller features a versatile SPDT output relay that manages heating or cooling applications across a wide temperature control range of 40 to 212? F. As the upgraded successor, the A421ABC 04 is a direct replacement for the A419ABC 3, though technicians should verify