Lennox 14X42 Burner Assembly 326058-758 High pressure switches are calibrated

High pressure switches are calibrated for the specific operating pressures of the refrigerant and equipment they are protecting

High-Temperature Durability: Constructed with premium materials to resist insulation breakdown caused by repeated thermal cycling

Field-Proven Durability: High-grade construction designed to withstand the thermal stresses of R-410A refrigeration cycles

How do I know if my existing crown assembly needs replacement

and FG7 series Nordyne

Lennox 14X42 Burner Assembly 326058-758 High pressure switches are calibratedWhen you're dealing with burner issues in residential heating systems, the Lennox 14X42 Burner Assembly is the direct OEM replacement engineered for precise combustion and reliable thermal transfer. This assembly, often cross referenced as Part ID 1497557 or 104910 03, is a critical component for maintaining the fuel to air ratio required for peak furnace efficiency. As a veteran tech knows, a degraded burner leads to poor ignition, sooting, and