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Simplified Installation: Standard 3/4" bore with integrated set screw for rapid field replacement during service calls
Superior Filtration: Captures solid contaminants down to 40 microns to ensure clean refrigerant flow to metering devices
Enhanced Durability: Silver-cadmium oxide contacts offer superior conductivity and arc resistance for 30A full-load applications
ensuring long-term durability and consistent performance
When you're servicing large-capacity units like the Sensus 243 series
Lennox 17J65 Orifice 322838-752 Simplified Installation: Standard 3/4" boreThe Lennox 17J65 Natural Gas Orifice (Part Number LB 69645) is a precision engineered heating component designed specifically for secondary burner regulation in residential furnaces. With a drill size specification of 0. 0935, this OEM Lennox replacement part ensures the exact volumetric flow rate required for efficient combustion and peak AFUE ratings. As a veteran technician knows, maintaining the correct manifold pressure depends entirely on the
