Description
Overview
The Xylem-McDonnell & Miller 93-7B (Part Number 163000) is a combination low water cut off and pump controller engineered specifically for steam boiler applications. Integrating two critical safety and operational functions into a single unit, the 93-7B simplifies installation, reduces wiring complexity, and helps ensure reliable boiler protection. The built-in potentiometer switch provides precise, adjustable control over pump operation, making this an ideal solution for both new installations and replacement applications.
Key Features
- Combination design integrates low water cut off and pump controller in one unit
- Potentiometer switch for adjustable pump control sensitivity
- Rated for steam boilers with a maximum working pressure of 150 PSI
- Designed for reliable low water protection to help prevent boiler damage
- Suitable for new installations and direct replacement applications
- Part Number: 163000
- SKU: 93-7B
Application
The 93-7B is designed for use on steam boilers where both low water cut off protection and automatic pump control are required. By monitoring water level and automatically cycling the feed pump, this controller helps maintain safe operating water levels and protects the boiler from the hazards associated with low water conditions.
Specifications
- Maximum Working Pressure: 150 PSI
- Boiler Type: Steam
- Control Type: Combination Low Water Cut Off and Pump Controller
- Switch Type: Potentiometer
- Manufacturer Part Number: 163000
- Brand: Xylem-McDonnell & Miller







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