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Hoffman 401429 Model 74 Steam Unit Heater Air Valve

Hoffman 401429 Model 74 Steam Unit Heater Air Valve

Brand: Hoffman SKU: 401429
Regular price $198.95 USD
Regular price Sale price $198.95 USD
Sale Out of Stock - Call to Order
Ships Direct from Distribution β€” Dispatches in 24–48 Hrs
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Performance ParameterEngineering Baseline Value
Manufacturer Part Number (MPN)401429
Model DesignationModel 74
Equipment TypeSteam Unit Heater Air Valve

Maintain optimal steam unit heater efficiency with the Hoffman 401429, specifically designed as the high-capacity Model 74 steam air valve. This essential component ensures reliable venting of non-condensable gases from steam systems to prevent air binding and ensure consistent heating output.

The valve operates through a thermostatic mechanism that automatically allows air to escape the system while sealing tightly upon contact with steam. This precise response cycle is engineered to provide long-term reliability and minimize energy waste within industrial and commercial steam heating configurations.

Key System Performance Baselines:

  • Automatic Venting: Rapidly purges air from steam unit heaters to maintain peak thermal performance.
  • Positive Seal: Features a sensitive thermal element that prevents steam loss by closing instantly upon temperature rise.
  • Reliable Construction: Built to withstand the harsh internal pressures and temperatures associated with steam service.

⚠️ Application Profile: Ideal for steam unit heaters, large radiators, and steam mains where efficient, automatic air removal is critical for system health.

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