Williams P321900 Ignition Control 326010-701 This is a mechanical rebuild

This is a mechanical rebuild kit for internal components

always verify your specific York HVAC unit's wiring diagram to ensure the relay matches the application’s inductive load requirements

How do I set the fan 'ON' and 'OFF' points

The ZG-101 is designed to be used in conjunction with Belimo crank arm kits (like the ZG-NMA or ZG-GMA) when direct shaft mounting is not feasible

Williams P321900 Ignition Control 326010-701 This is a mechanical rebuildThe Williams P321900 Ignition Control is a dedicated OEM replacement part engineered for precise sequence management in gas fired heating equipment. As the direct successor to the P32190, this electronic ignition module provides the necessary logic for safe pilot or main burner light off. This control is frequently utilized in Williams Monterey furnaces and Forsaire wall heaters, where maintaining specific timing for trial for ignition and flame