Williams P321900 Ignition Control Module for Gas Furnaces

The Williams P321900 Ignition Control Module is a direct replacement electronic control component designed for Williams gas furnaces and heating systems. This module manages the ignition sequence, ensuring safe and reliable furnace startup by controlling the spark ignition and flame sensing operations.

Key Features:

• Direct replacement OEM ignition control module for Williams furnaces
• Controls spark ignition timing and flame sensing circuit
• Solid-state electronic design for reliable operation
• Safety lockout feature prevents unsafe operating conditions
• Factory-tested for quality and performance

This ignition control module is an essential component for maintaining safe and efficient furnace operation. When the original module fails, the furnace may not ignite, experience delayed ignition, or fail to maintain flame. Replacing a faulty control module restores proper ignition system function and ensures safe heating system operation.