Johnson Controls A99BC-500C Temperature Sensor Els PW 17895 Can I use this relay

Can I use this relay for 24V control circuits

allowing for seamless interchangeability during system repairs

Versatile Compatibility: Fits an extensive range of residential models including M230R

Does this kit include the coupler or just the bracket

What does the yellow color code signify

Johnson Controls A99BC-500C Temperature Sensor Els PW 17895 Can I use this relayThe Johnson Controls A99BC 500C Temperature Sensor is a high precision PTC silicon sensor engineered for demanding HVACR refrigeration applications. This passive Positive Temperature Coefficient sensor features a reference resistance of 1,035 ohms at 77? F (25? C), ensuring reliable input for PENN System 450, A419, and A421 electronic temperature controls. Designed with a 16 3 8 foot (5 meter) high temperature silicon cable, the A99BC 500C maintains