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McDonnell & Miller 134900 51-HD Head Mechanism for Mechanical Water Feeder

McDonnell & Miller 134900 51-HD Head Mechanism for Mechanical Water Feeder

Brand: McDonnell & Miller SKU: 134900
Regular price $1,263.95 USD
Regular price Sale price $1,263.95 USD
Sale Out of Stock - Call to Order
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Performance ParameterEngineering Baseline Value
Manufacturer Part Number (MPN)134900
Model Designation51-HD

Maintaining consistent boiler water levels is essential for safe operation, and the 134900 head mechanism provides a reliable solution for your 51-HD mechanical water feeder. This factory-authorized replacement ensures your system continues to regulate water levels accurately, preventing dry-fire conditions and extending the life of your hydronic or steam equipment.

This head mechanism functions as the core control component of the water feeder, utilizing a precision-engineered float linkage system to detect fluid levels and trigger necessary makeup water flow. By replacing the entire head, you ensure all internal seals and mechanical linkages are returned to factory specifications, eliminating potential leaks or valve sticking associated with aged control assemblies.

Key System Performance Baselines:

  • Precision Regulation: Maintains consistent water levels to prevent low-water boiler cut-offs.
  • Durable Construction: Engineered with industrial-grade materials for long-term operation under high-pressure conditions.
  • Seamless Compatibility: Designed for an exact fit with 51-HD series mechanical water feeders.
  • Simplified Installation: Streamlines maintenance by allowing for quick replacement of worn internal control components.

⚠️ Application Profile: Recommended for use in commercial steam boilers and industrial hydronic heating systems requiring robust mechanical make-up water control.

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