McDonnell Miller (166300) 94-7B Low Water Cut-Off and Pump ControllerThe McDonnell & Miller 166300 Model 94 7B is a combination low water cut off and pump controller featuring 1 1 4" NPT connections and a 7B switch (135 ohm proportional signal) control to maintain a constant boiler water level. The maximum pressure is 250 psi. The switch features an automatic reset and operates on either a 120 volt or 240 volt power supply. The Series 94 low water cut off pump controllers are designed for commercial and industrial low

Standards and Approvals: ASTM A-126 Class B Body

Max Pressure: 125 psi

1" in NPT TDC Thermo-Dynamic Steam Trap

Maximum allowable pressure: 250 psig at 0 to 450 deg F

Model 93-HDLS head mechanism less switch for low water cut-offs and pump controllers used on steam boilers

Unit Heaters and Air Heating Coils: The FT14 can be used to drain unit heaters and air heating coils

Part Number: 102226

Part #110-302

Protects against excessive water pressure due to failure of controls to regulate BTU input

Max Operating Pressure: 465 psi

circulation pump for hydronic heating systems

This control features an automatic reset with two 120 volt bi-metal snap switches