Xylem-McDonnell & Miller 193-B Combination Low Water Cut Off & Pump Controller, 150 PSI, SKU 193-B

Description

Xylem-McDonnell & Miller 193-B Combination Low Water Cut Off and Pump Controller

The Xylem-McDonnell & Miller 193-B (Part Number 163600) is a heavy-duty combination low water cut off and pump controller engineered specifically for steam boiler applications. Trusted by HVAC professionals and boiler technicians, this unit integrates two critical boiler safety and control functions into a single, reliable device — protecting equipment from low-water damage while simultaneously managing pump operation.

Key Features

• Combination low water cut off and pump controller in one unit
• Two snap-acting SPDT (Single-Pole Double-Throw) switches for reliable, precise switching action
• Maximum working pressure of 150 PSI — suitable for a wide range of steam boiler systems
• Alternate tappings for flexible installation and piping configurations
• Designed for steam boiler applications requiring dependable low-water protection
• Manufactured by Xylem-McDonnell & Miller, a trusted name in boiler controls and hydronic system components

Application

The 193-B is ideal for use on steam boilers where both low water cut off protection and pump control are required. The dual snap-acting SPDT switches allow independent control of the pump and burner circuits, providing layered safety and operational efficiency. Alternate tappings give installers added flexibility when working with varied boiler configurations and piping arrangements.

Product Specifications

• Part Number: 163600
• SKU: 193-B
• Type: Combination Low Water Cut Off / Pump Controller
• Switch Type: Two Snap-Acting SPDT Switches
• Maximum Pressure: 150 PSI
• Application: Steam Boilers
• Tappings: Alternate Tappings Included
• Brand: Xylem-McDonnell & Miller

Why Choose the McDonnell & Miller 193-B?

McDonnell & Miller has been a cornerstone brand in boiler safety controls for over a century. The 193-B continues that legacy by delivering a robust, dual-function control solution that simplifies installation, reduces component count, and ensures your steam boiler system operates safely within design parameters. Whether you’re replacing an aging control or specifying for a new installation, the 193-B delivers proven performance you can count on.