McDonnell & Miller 127100 25-A-HD Water Feeder Head Assembly
McDonnell & Miller 127100 25-A-HD Water Feeder Head Assembly
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 127100 |
| Model Designation | 25-A-HD |
Maintain consistent boiler water levels with the McDonnell & Miller 127100 25-A-HD head assembly, engineered to ensure optimal performance of your automated water feeder system. This high-quality replacement component, identified by model 25-A-HD, serves as a direct functional restoration for units experiencing mechanical fatigue or internal component wear, restoring operational efficiency to your hydronic heating installation.
The head assembly utilizes a precision-engineered internal float-operated valve mechanism to detect water level fluctuations within the chamber. As the boiler water drops, the float action activates the assembly to replenish the system, providing a robust and reliable shut-off sequence that prevents dry-firing and maintains proper heat exchange efficiency throughout the hydronic loop.
Key System Performance Baselines:
- Precision Control: Maintains accurate water levels to prevent low-water boiler cut-off scenarios.
- Seamless Integration: Designed for exact compatibility with 25-series water feeders for rapid field installation.
- Durable Construction: Built to withstand the thermal and pressure stresses characteristic of steam and hydronic boiler environments.
⚠️ Application Profile: Primarily utilized in commercial and industrial steam heating systems to automate make-up water requirements, ensuring continuous safe operation of heavy-duty boiler vessels.
