Weil McLain 383-500-658 Control Module Refrigerant The Reznor 196654 Pressure Switch

The Reznor 196654 Pressure Switch is a critical safety component designed for precise combustion air proving in Reznor HVAC unit heaters

Balanced Port Construction: Minimizes the impact of varying head pressures on superheat

making it a rugged solution for high-ambient applications where moisture resistance is improved via Glyptal sealing

the actuator includes an adjustable cam/set-screw that allows you to set a minimum opening to maintain a bleed-through of air for ventilation or pressure relief

Designed for 24Vac applications

Weil McLain 383-500-658 Control Module Refrigerant The Reznor 196654 Pressure SwitchThe 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