nitrogen-tight fit for reliable system isolation

This kit features a 4 to 8 psi spring range

delayed ignition resulting in "popping

shaded pole

technicians must verify if the inverse acting logic is required for the specific fail-safe requirements of the burner or boiler circuit

Lennox 56K26 Flue Box 340793-762 nitrogen-tight fit for reliable systemThe Lennox 56K26 Flue Box (also identified as LB 79560) is a critical OEM replacement part engineered for high efficiency gas furnaces and boilers. Constructed from corrosion resistant stainless steel, this collector box is designed to manage the transition of combustion byproducts, ensuring that exhaust gases are safely and effectively channeled from the heat exchanger into the venting system. For a veteran technician, the 56K26 represents a reliable