Lennox 79J87 Check Valve 323613-751 All pressure regulator adjustments and

All pressure regulator adjustments and 1/8-inch NPT pressure taps are top-accessible

While the capacitor can be mounted in various orientations

The integrated LED indicator provides immediate visual confirmation of the relay status

black-finished Lexan NEMA 1 enclosure

Lennox 79J87 Check Valve 323613-751 All pressure regulator adjustments andThe Lennox 79J87 Check Valve is a critical OEM replacement part engineered for precise flow control in residential and commercial refrigeration systems and HVAC units. Built for high pressure durability, this 1 2 inch brass check valve facilitates unidirectional fluid movement, effectively preventing backflow that can lead to compressor slugging or terminal system failure. Its NPT fitting design ensures a secure, leak resistant connection, maintaining