Description
The Xylem-McDonnell & Miller 93-HDLS (Part No. 162402) is a combination low water cut-off and pump controller engineered for reliable protection and automatic water management on steam boiler systems. Supplied as the head mechanism only — less switch — this unit gives contractors and service technicians the flexibility to pair the proven McDonnell & Miller float-based head assembly with their preferred switching device, making it an ideal replacement or upgrade component for existing installations.
Key Features
- Combination low water cut-off and pump controller in a single, compact assembly
- Designed specifically for steam boiler applications
- 150 PSI maximum pressure rating for compatibility with a wide range of commercial and residential steam systems
- Head mechanism only configuration — less switch — for maximum installation flexibility
- Float-operated design provides dependable, time-tested low water detection
- Helps prevent boiler damage caused by low water conditions
- Automatically controls feed pump operation to maintain proper boiler water level
- Part Number: 162402
Application
The 93-HDLS is suited for steam heating boilers in commercial and residential settings where a reliable low water cut-off and pump control function is required. The head-only configuration is particularly useful when replacing a worn or damaged float mechanism while retaining an existing switch assembly, reducing downtime and overall replacement cost.
Why Choose McDonnell & Miller
McDonnell & Miller, an Xylem brand, has been a trusted name in boiler water-level controls for decades. Their float-type low water cut-offs are recognized throughout the HVAC and plumbing industries for durability, accuracy, and ease of service — making the 93-HDLS a go-to choice for boiler professionals.
Specifications
- SKU: 93-HDLS
- Part Number: 162402
- Brand: Xylem-McDonnell & Miller
- Function: Combination Low Water Cut-Off and Pump Controller
- Application: Steam Boilers
- Maximum Pressure: 150 PSI
- Configuration: Head Mechanism Only, Less Switch
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