Johnson Controls A19BAB-3 Temperature Control Els PW 17895 Machined at the JB Industries

Machined at the JB Industries facility in Aurora

this heating element relay typically activates within 1 to 110 seconds to ensure the blower has reached sufficient RPM

Proper installation of the S1-025-41001-000 helps maintain consistent superheat levels across the evaporator

We recommend checking for low-voltage shorts before replacing the transformer to prevent repeat failure

Johnson Controls A19BAB-3 Temperature Control Els PW 17895 Machined at the JB IndustriesThe Johnson Controls A19BAB 3 is a rugged mechanical temperature control designed for high accuracy space temperature monitoring in demanding HVACR environments. Engineered with a Single Pole Single Throw (SPST) switch configuration, this unit operates on an open high action, making it an essential component for heating applications where the circuit must break upon reaching the setpoint. With a versatile voltage range of 24 to 277Vac, it integrates