Lennox 11U64 Pressure Switch 321894-709 The Supco ignitor kit includes

The Supco ignitor kit includes essential components required for quick replacement

using a factory-authorized heat exchanger is the only way to maintain the original safety listings and performance curves of HVAC equipment like the GR6GD or GR8GD series

Liquid Handling Resilience: Large internal volume protects the hermetic reciprocating valves from damage caused by occasional liquid slugging

extending the lifespan of the fan motor

Designed specifically for International Comfort Products systems

Lennox 11U64 Pressure Switch 321894-709 The Supco ignitor kit includesThe Lennox 11U64 Pressure Switch (Cat # 11U64, Part # 104371 01) is a precision calibrated OEM furnace replacement part engineered for high performance draft verification. This 0. 65" WC SPST pressure switch is the direct substitute for the legacy 93W86 model, designed to monitor inducer motor performance and confirm proper airflow before the ignition sequence initiates. Built with brass terminals, fine silver contacts, and a stainless steel