Johnson Controls A421ABC-03 Temperature Control R-410A providing precise pin and port

providing precise pin and port alignment that prevents liquid pressure fluctuations from affecting valve performance

secure connections

Rugged Construction: Features a galvanized steel base plate and a rigid thermoplastic housing to withstand high-traffic commercial environments

while the B-port is modified to ensure the common port maintains consistent flow

When dealing with a unit that has tripped on high-limit or failed to initiate heating

Johnson Controls A421ABC-03 Temperature Control R-410A providing precise pin and portThe Johnson Controls A421ABC 03 Temperature Control is a versatile, line voltage electronic thermostat engineered for high accuracy temperature management in HVAC and refrigeration systems. Operating on 120 240 VAC, this single stage control features a Single Pole Double Throw (SPDT) relay output, making it the industry standard direct replacement for the A319ABC 07 01 and A419ABC 2 models. The unit provides a broad temperature control range of 40 to