McDonnell & Miller 178402 Model 158S - LWCO & Pump Controller

Product Description

McDonnell & Miller model number 158S is a float-operated low water cut-off and pump controller designed for use in steam boilers. This device works with a separate water column. The controller has an automatic reset feature and includes two 120 volt bi-metal snap switches. One switch is a single pole, single throw for pump control, while the other is a single pole, double throw for low water cut-off and alarm actuation.

• Automatic reset function
• Maximum pressure of 150 psi
• Tapped one inch FIP connection

Product Highlights

This controller is ideal for steam boilers, offering reliability and safety. The automatic reset feature simplifies operation, while the snap switches ensure quick response to changing water levels.

Product Information

Standard Information

• Brand: McDonnell & Miller
• MPN: 178402

Technical Specifications

• Model: 158S
• Application: Steam Boilers
• Control Reset: Automatic
• Control Switch: SWA-150S
• Voltage: 120V, 240V
• Max Pressure: 150 psi
• Connection Size: 1 inch
• Control Connection: NPT
• Installation Method: 1 Equalizing Piping
• UPC: 751875036686
• Weight: 26.30 pounds