Copeland 971-0092-06 External Protector Els PW 17895 Since the Lennox 66J78 is

Since the Lennox 66J78 is identical to 66J7801

making it a staple for field technicians requiring a robust switching solution for high-draw DC systems

allowing for facilitate installation or replacement without the need to decouple the driving and driven equipment

Designed to handle the inductive inrush loads common in commercial air handlers and rooftop units

How do I check if my 24V coil is functioning

Copeland 971-0092-06 External Protector Els PW 17895 Since the Lennox 66J78 isThe Copeland 971 0092 06 External Protector is a critical line break safety component designed for hermetic compressor motor protection. Engineered to respond to both temperature and current overloads, this Klixon style thermal protector prevents stator winding failure during locked rotor conditions, phase loss, or extreme discharge temperatures. Unlike internal sensors, this Copeland compressor part allows for external mounting on the compressor