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Smith 100189053 Collar (also identified as KCOLLARFLUE3) is a critical 3-inch flue component engineered for precise integration with commercial and industrial heating systems
Drop-in Replacement: Specifically designed to match Heatcraft 25317901S specifications for seamless installation in Bohn and Larkin units
The Lennox 14N23 is a critical LP conversion kit designed for field-converting high-capacity Lennox packaged gas units from natural gas to liquid propane
The Crown Engineering F-121503 Champion Igniter is a critical high-performance component designed for Hydro Pulse combustion systems
Lennox 42W92 Transformer 321894-709 Smith 100189053 Collar (also identifiedThe Lennox 42W92 Transformer is a critical OEM replacement part designed for high performance HVAC systems. This 208 240V to 24V step down transformer provides a stable 40VA power rating, ensuring that low voltage control circuits, thermostats, and contactors receive consistent current. Built for durability in commercial and residential air handlers, it features a robust foot mount design and 1 4 inch quick connect terminals for a secure, professional