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Since the Lennox 66J78 is identical to 66J7801
Optimized Flow Control: The 1/8" NPT x 1/4" SAE flare configuration supports standard testing equipment and ensures leak-free diagnostics
Key Benefits: Dual-Textured Performance: Features a non-scratching abrasive side for scrubbing and a soft side for sensitive surfaces
Designed to handle the inductive inrush loads common in commercial air handlers and rooftop units
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