Common symptoms include the inducer motor running without the igniter glowing or recurring "pressure switch open" fault codes on the furnace control board

This often indicates a failed sequencer relay where the bimetal disc has warped or the PTC heater has Open-Circuited

Rugged Installation: Features a resilient NEMA 1 rated enclosure specifically shaped for low-level mounting near potential leak points on chillers

It provides precise refrigerant flow regulation and simplified installation for contractors looking to protect compressors from damage caused by low suction pressure during colder months

Johnson Controls C450CCN-4 Control 326058-756 Common symptoms include the inducerThe Johnson Controls C450CCN 4 is a versatile Standard Modular Control designed for high performance HVACR applications requiring precision and scalability. This unit serves as the direct replacement for the C450CCN 2, featuring a robust 4 button touchpad interface and a high visibility LCD for real time parameter monitoring. Engineered for dual stage control, it provides two SPDT line voltage relay outputs, making it ideal for managing complex