McDonnell & Miller 94-HDLS Head Mechanism Without Switch for 94/194 Series

The McDonnell & Miller 94-HDLS is a head mechanism without standard number 5 switch, designed for use with model 94 and 194 low water cut-off and pump controllers. The head mechanism includes everything except the float chamber, making it an ideal replacement component for maintaining these critical boiler safety controls.

Key Features:

• Allows for quick and easy replacement by removing the bolts on the float chamber and installing the new unit, with no need to disrupt piping
• Designed for commercial and industrial low or high pressure steam boilers with maximum pressure of 250 PSI
• Features magnetic repulsion technology that eliminates the need for bellows
• Screwed connection type with 10-bolt flange design
• OEM Part Number: 165302

Compatible with the 94 series combination float-operated low water cut-off and pump controller systems with 1-1/4" FIP tapped connections used on steam boilers with separate water columns. This head mechanism replacement allows maintenance personnel to service the control without removing the entire assembly from the boiler system, reducing downtime and installation complexity.