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The McDonnell & Miller 61-HD (Part Number 140300) is a heavy-duty mechanical low water cut-off designed specifically for low-pressure steam boiler applications
An internal balanced pressure thermostatic air vent is integrated as a standard feature
Simply flip the actuator over to change the fail-safe orientation
High MOPD Performance: Capable of opening against high differential pressures with minimal pressure drop across the 15mm port
3-blade condenser fan blade with a 1/2-inch bore
Carrier HH22CC050 Safety Stat 340155-7026 The McDonnell & Miller 61-HDThe Carrier HH22CC050 Safety Stat is a high precision remote bulb safety stat engineered for critical temperature monitoring in commercial and industrial HVACR systems. As a genuine OEM Carrier replacement part, this limit control switch is designed to interface seamlessly with ComfortLink control boards and Carrier packaged units. It utilizes an accurate remote sensing bulb to monitor ambient or discharge air temperatures, ensuring the system
