High-Temperature Resistance: Maintains structural integrity under extreme heat to prevent boiler gasket leaks

requiring higher thermostat pressure to initiate airflow

Optimized Airflow: The 10 3/4 inch diameter design ensures the system hits target static pressure for consistent climate control

this component provides reliable electromagnetic force to actuate valves under high-pressure conditions

It should be installed directly into the tank tapping or in the hot water outlet piping within the allowable distance from the tank top

Weil McLain 383-500-658 Control Module 30067439-890 High-Temperature Resistance: Maintains structural integrityThe Weil McLain 383 500 658 Ultra U IGN Control Module is a critical integrated ignition and blower control assembly designed specifically for Ultra Series Gas Fired Water Boilers. This OEM Weil McLain replacement part manages the specialized sequence of operations for the burner, including pre purge, hot surface ignition, gas valve actuation, and flame rectification monitoring. Engineered for precision, it ensures the Ultra Series boiler control