McDonnell & Miller 135100 51-2-HD Head Mechanism for Water Feeder
McDonnell & Miller 135100 51-2-HD Head Mechanism for Water Feeder
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 135100 |
| Model Designation | 51-2-HD |
Restore precise water level control in your steam heating system with the McDonnell & Miller 135100 51-2-HD head mechanism. This essential replacement component acts as the primary sensing and control assembly for compatible mechanical water feeders, ensuring your boiler maintains optimal operating levels to prevent dry firing and potential damage. By utilizing the 135100 assembly, you ensure that your system remains compliant with original equipment specifications and safety standards.
The mechanism functions by utilizing a float-operated linkage that monitors the water line within the boiler. As the water level drops, the mechanical action of the float triggers the feeder valve to introduce makeup water, effectively maintaining a consistent, safe volume. This direct-acting design provides high reliability in demanding hydronic environments, reducing the need for complex electronic controls while maximizing service life.
Key System Performance Baselines:
- Precision Level Sensing: Calibrated for consistent water line maintenance within the boiler vessel.
- Mechanical Reliability: Built with heavy-duty components to withstand the cyclic demands of steam systems.
- Streamlined Installation: Engineered for a direct fitment, reducing downtime during critical maintenance cycles.
⚠️ Application Profile: Recommended for use in commercial and residential steam boiler applications requiring automatic makeup water feed control. Must be installed by a qualified hydronic technician to ensure proper float clearance and seat alignment.
