McDonnell & Miller 165300 - 94-HD Head Mechanism
McDonnell & Miller 165300 - 94-HD Head Mechanism
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This reliable head mechanism ensures precise low-water cut-off and pump control functionality for industrial steam boilers. Designed for seamless integration, the 165300 94-HD head mechanism is engineered to meet the rigorous demands of professional hydronic heating systems, providing immediate response times and long-term durability in pressurized environments.
The mechanism functions by utilizing a sensitive float-actuated switch assembly that monitors boiler water levels in real-time. When water levels shift outside of operational parameters, the internal switch triggers the control circuit to safely manage pump activation or burner cutoff, protecting the boiler from dry-firing damage and potential thermal failure.
Key System Performance Baselines:
- Precision Response: Optimized for accurate liquid level detection in steam applications.
- Durable Construction: Built with high-grade components to resist corrosion and thermal fatigue.
- OEM Compatibility: Specifically engineered to serve as a direct replacement for 94-HD series controls.
- Seamless Operation: Facilitates reliable, automated water level management for safer boiler performance.
ā ļø Application Profile: Recommended for industrial and commercial low-pressure steam boilers requiring precise level monitoring, safety lockout protocols, and automatic feed pump coordination.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 165300 |
| Model Designation | 94-HD |
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