System Diagnostics: Operates as a critical signal for furnace troubleshooting regarding airflow and combustion backpressure

Manual Reset Safety: Requires a physical reset at 140°F

Zero Leakage: Tight shut-off prevents energy loss and Ghost Flow in complex hydronic circuits

This 22-inch diameter HVAC fan blade is engineered as a direct OEM fit for brands including Heil

because this is a power closed spring open model

Williams P323073 Pilot/Generator Assembly 321702-401 System Diagnostics: Operates as aThe Williams P323073 Pilot Generator Assembly is a direct OEM replacement component designed for liquid propane (LP) heating systems, specifically engineered for Monterey Top Vent and Forsaire Top Vent furnace models. As a veteran grade millivolt ignition system part, this assembly integrates a precision tapered pilot burner with an high output ignitor and lead wire to ensure reliable flame rectification and safety circuit continuity. In these heating