Williams P321900 Ignition Control 326010-701 always verify your specific York

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

Common Service Questions Is the Reznor 96286 compatible with newer UDAP models

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

variable-speed furnace operations that utilize older White-Rodgers platforms

OEM Reliability: Direct replacement for Rheem

Williams P321900 Ignition Control 326010-701 always verify your specific YorkThe 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