Maxitrol M611R-3/4 Valve 30067439-890 and RTWD/RTUD screw chillers

and RTWD/RTUD screw chillers

offering seamless backward compatibility for older Johnson Controls-Penn installations

Optimal Combustion: Restores the intended inshot burner flame pattern to maximize heat exchanger efficiency and reduce carbon monoxide risk

it features a standard NEMA 48 frame and requires a 5 MFD / 370V run capacitor for optimal torque and efficiency

ensuring a streamlined installation for HVACR contractors

Maxitrol M611R-3/4 Valve 30067439-890 and RTWD/RTUD screw chillersThe Maxitrol M611R 3 4 is a precision engineered modulating gas valve specifically designed for direct fired burners operating in negative pressure (pull through) configurations. Unlike standard regulators, this component functions as the core of the Selectra Electronic Gas Flame Modulating System, providing instantaneous, non fluctuating temperature control without the need for motorized butterfly valves or external mechanical linkages. It features a