High-Output Ignition: 12kV secondary voltage provides a robust spark for consistent fuel atomization and ignition

Operating at 208-240V on a single-phase (1P) circuit

When diagnosing Reznor HVAC equipment

ensuring stable combustion across all firing rates in demanding hydronic applications

preventing high-pressure gas from creeping into downstream components during idle periods

Lennox 59L20 Gasket 30067439-890 High-Output Ignition: 12kV secondary voltageWhen you're dealing with a pressure switch trip or noticing moisture streaks around the inducer, the Lennox 59L20 Collector Box Gasket (also identified as LB 91846) is the critical seal required to restore atmospheric integrity. This genuine OEM Lennox replacement part is engineered specifically to provide a high temp, airtight interface between the collector box and the blower housing. A degraded gasket in this high stress zone often leads to flue