Lennox 94W83 Ignition Board 321702-401 Enhanced Safety: Equipped with an

Enhanced Safety: Equipped with an internal physical interrupter to prevent casing rupture in the event of an electrical fault

System Reliability: Aids in maintaining the correct lubricant balance

Technical Efficiency: Simplified two-wire installation reduces labor time

If your draft inducer pressure switch is failing to close or is fluttering due to a worn diaphragm

Key Benefits: Precise Pressure Regulation: Features a factory-set 425 PSI cutout for immediate system protection during high-head pressure events

Lennox 94W83 Ignition Board 321702-401 Enhanced Safety: Equipped with anAs an experienced HVAC technician, you know that the Lennox 94W83 Ignition Board is a critical OEM replacement part for maintaining system reliability in single stage residential furnaces. This integrated furnace control (IFC) is specifically designed to manage systems utilizing Single Stage PSC Motors and operates within a standard 18 30 VAC range. When troubleshooting a furnace not heating, verifying the 103085 03 sequence is essential, as this