Description
The Honeywell VWS01Y-11/4 is a 1-1/4″ actuated ball valve engineered for automatic water shutoff applications in commercial and residential HVAC and hydronic systems. Combining an L5-series actuator with an integrated leak sensor, this valve delivers a complete, all-in-one solution for water damage prevention — eliminating the need for separate leak detection hardware and simplifying installation.
Key Features
- 1-1/4″ ball valve with L5-series actuator for reliable, motorized shutoff
- Integrated leak sensor detects water presence and triggers automatic valve closure
- All-in-one design reduces installation time and minimizes wiring complexity
- Ideal for protecting HVAC equipment, mechanical rooms, and water-sensitive areas
- Designed for use in hydronic heating, cooling, and plumbing shutoff applications
- Honeywell quality construction for long-term durability and dependable performance
Applications
- Automatic water shutoff in HVAC mechanical rooms
- Hydronic heating and cooling system protection
- Commercial and residential leak detection and response
- Equipment and building protection from water damage
Why Choose the Honeywell VWS01Y-11/4?
This valve simplifies water damage prevention by integrating leak sensing and automatic shutoff into a single, compact assembly. When the onboard sensor detects moisture, the actuator immediately closes the ball valve — stopping water flow before damage can occur. It’s a smart, proactive solution trusted by HVAC professionals for protecting valuable equipment and building infrastructure.







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