The 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-pressure or high-pressure steam boiler applications of any steam capacity. They maintain a consistent water level regardless of pressure.

Part Number: 166300

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