Description
Xylem-McDonnell & Miller 193-A-7B Combination Low Water Cut Off and Pump Controller
The Xylem-McDonnell & Miller 193-A-7B is a professional-grade combination low water cut off and pump controller engineered specifically for steam boiler applications. Featuring a built-in potentiometer switch and support for alternate tappings, this unit delivers reliable boiler protection and pump management in a single, compact assembly. With a maximum pressure rating of 150 PSI, the 193-A-7B is well-suited for a wide range of commercial and residential steam boiler systems.
Key Features
- Combination low water cut off and pump controller in a single unit
- Potentiometer switch for precise water level sensing and control
- Alternate tappings for flexible installation configurations
- 150 PSI maximum working pressure rating for steam boiler compatibility
- Designed for steam boiler protection and pump management
- Part Number: 164500
- SKU: 193-A-7B
Product Specifications
- Model: 193-A-7B
- Part Number: 164500
- Application: Steam Boilers
- Maximum Pressure: 150 PSI
- Control Type: Combination Low Water Cut Off and Pump Controller
- Switch Type: Potentiometer
- Tapping Configuration: Alternate Tappings
- Brand: Xylem-McDonnell & Miller
Why Choose the McDonnell & Miller 193-A-7B?
McDonnell & Miller, a trusted Xylem brand, has been a leading name in boiler water level controls for over a century. The 193-A-7B combines two critical boiler safety and operational functions — low water cut off protection and pump control — into one reliable device. This dual-function design simplifies installation, reduces the number of required components, and ensures consistent boiler performance. The potentiometer switch provides accurate, adjustable water level detection, while the alternate tapping options give installers the flexibility needed to accommodate a variety of boiler configurations.







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