McDonnell & Miller 194-A-7B Controller 30067439-890 This complete gas filter replacement

This complete gas filter replacement kit is essential for protecting downstream components like gas pressure regulators and automatic shut-off valves from particulate contamination

replacing 56W68

Streamlined Installation: The cartridge-style design eliminates the need for complex internal alignments

Rated for 40 FLA (Full Load Amperes) and 50A resistive loads

It is designed to actuate during over-pressure events and must never be utilized to regulate standard system operating pressures

McDonnell & Miller 194-A-7B Controller 30067439-890 This complete gas filter replacementThe McDonnell & Miller 194 A 7B (Part Number 167100) is a heavy duty combination low water cut off and pump controller engineered for commercial and industrial steam boiler applications. Designed to handle a maximum pressure of 250 PSI, this unit integrates a high performance potentiometer switch to provide a proportional 135 ohm signal, ensuring a constant water level is maintained regardless of varying steaming rates. As a veteran grade float