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Hoffman 402457 Series 2100 Pressure Reducing Main Valve, 3/4" NPT

Hoffman 402457 Series 2100 Pressure Reducing Main Valve, 3/4" NPT

Brand: Hoffman SKU: 402457
Regular price $1,324.95 USD
Regular price Sale price $1,324.95 USD
Sale Out of Stock - Call to Order
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Performance ParameterEngineering Baseline Value
Manufacturer Part Number (MPN)402457
Model DesignationSeries 2100
Connection Size3/4" NPT

Efficiently manage your hydronic heating system pressure with the Hoffman 402457, a high-quality Series 2100 pressure reducing main valve designed for long-term reliability. Engineered for 3/4" NPT connections, this component ensures your system maintains consistent operating pressure, preventing potential damage from over-pressurization while optimizing thermal efficiency throughout your plumbing loop.

This valve functions by automatically regulating the water supply to the boiler, compensating for system fluctuations to maintain a stable, pre-set pressure level. The precision-machined internal diaphragm and seat assembly work in tandem to throttle flow based on downstream demand, providing consistent system replenishment without the need for manual oversight.

Key System Performance Baselines:

  • Pressure Regulation: Designed to maintain accurate downstream pressure settings for commercial and residential hydronic loops.
  • Flow Dynamics: Optimized internal geometry to handle consistent water throughput for reliable system performance.
  • Installation Efficiency: Standard 3/4" NPT connections allow for seamless integration into existing pipe configurations.

⚠️ Application Profile: Ideal for use in closed-loop hydronic heating systems, boiler feed applications, and building maintenance repair where precise pressure control is required to prevent equipment strain.

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