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Hoffman 401497 Model 77 Water Vent Valve

Hoffman 401497 Model 77 Water Vent Valve

Brand: Hoffman SKU: 401497
Regular price $69.95 USD
Regular price Sale price $69.95 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)401497
Model DesignationModel 77

Maintaining peak hydronic system efficiency requires reliable air removal, and the Hoffman 401497 Model 77 water vent valve is engineered to provide precise, automatic venting of trapped air. By preventing air-bound pipes and radiators, this valve helps ensure consistent heating output and quiet system operation throughout residential and light commercial environments.

This valve features a rugged construction designed to resist corrosion and handle the pressure demands of hydronic loops. It utilizes a precision-engineered internal float mechanism that stays closed while liquid is present and opens automatically to release accumulated air as it travels through the piping network, protecting your system from the inefficiencies of airlocks.

Key System Performance Baselines:

  • Automatic Air Release: Ensures continuous, maintenance-free removal of trapped air from hydronic lines.
  • Durability Engineered: Constructed to withstand high-pressure water systems and prevent premature failure.
  • System Optimization: Prevents common hydronic issues like corrosion, reduced heat transfer, and disruptive water hammer.

⚠️ Application Profile: Ideal for use in baseboard radiation systems, hot water boilers, piping mains, and localized high points within hydronic HVAC circuits where air accumulation frequently occurs.

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