The Navajo White finish ensures a clean

While designed for constant duty

Optimized Refrigerant Control: Designed specifically for R404A and R507A systems to prevent liquid slugging and protect the compressor

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

Weil McLain 383-500-658 Control Module 30067439-890 The Navajo White finish ensuresThe 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