Description
The Xylem-McDonnell & Miller 93-7B-HD is a professional-grade combination low water cut off and pump controller engineered specifically for steam boiler applications. Featuring a potentiometer switch and a head mechanism-only design, this unit delivers reliable boiler protection and pump management in a single, compact assembly — simplifying installation and reducing the number of components required on the job.
Key Features
- Combination low water cut off and pump controller in one unit
- Potentiometer switch for precise water level sensing and control
- Designed exclusively for steam boiler systems
- 150 PSI maximum pressure rating for demanding steam applications
- Head mechanism only — mounts to existing boiler tapping for straightforward installation
- Part Number 163200
- Manufactured by Xylem-McDonnell & Miller, a trusted name in boiler controls
Product Details
- SKU: 93-7B-HD
- Part Number: 163200
- Application: Steam boilers
- Max Pressure: 150 PSI
- Switch Type: Potentiometer
- Configuration: Head mechanism only
- Brand: Xylem-McDonnell & Miller
Why Choose the 93-7B-HD?
The McDonnell & Miller 93-7B-HD combines two critical boiler safety and operational functions into one reliable device. The low water cut off protects your boiler from dangerous dry-fire conditions by shutting down the burner when water drops below a safe level, while the integrated pump controller automates feedwater pump operation to maintain proper water levels. The potentiometer switch design provides smooth, accurate level detection suited to the demands of steam heating systems rated up to 150 PSI.
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