Product Description

The McDonnell & Miller 172812 model 157S-M is a float-operated combination low water cut-off and pump controller suitable for steam boilers. This unit ensures reliable operation with its robust manual reset feature and dual voltage capabilities.

• Designed for steam boilers with a maximum pressure of 150 psi.
• Includes NPT connections for gauge glass and tri-cocks, ensuring easy integration and monitoring.
• Manual reset and dual switch functionality for pump control and alarm activation.

Product Highlights

The McDonnell & Miller 172812 offers exceptional control and reliability in a single compact unit featuring a float-operated mechanism for precise operation.

Technical Specifications

• Brand: McDonnell & Miller
• MPN: 172812
• Model: 157S-M
• Series: 157S
• Voltage: 120V, 240V
• Connection Size: 1 inch
• Max Pressure: 150 psi
• Control Reset: Manual
• Control Switch: SWA-150S-M
• Installation Method: 1 inch Equalizing Piping