Erie By Schneider Electric VM3327T33A000 3/4" NPT 3-Way Modulating Zone Valve 35 PSI 24VAC Floating Non-Spring Return

The Erie by Schneider Electric VM3327T33A000 is a PopTop modulating zone valve assembly designed for convenient and reliable installation in heating and cooling applications. This 3-wire, non-spring return valve is used for modulating control from a floating (raise/lower) controller signal, making it ideal for precise temperature control in hydronic systems.

Key Features:

• Installation is a snap with easy, one-handed removal or engagement of the actuator to the valve body
• Valve actuator can be easily attached after the valve body has been installed into the system
• Mounts quickly and easily without the need of linkages or calibration
• Rugged 300 PSIG rated brass forged body design for long life
• 3/4" NPT threaded connection for easy integration into existing piping systems
• Three-way mixing valve configuration for versatile hydronic control
• 35 PSI maximum close-off differential pressure rating
• 24VAC power supply with three-wire floating control signal
• Non-spring return actuator for fail-in-place operation

Technical Specifications:

• Body material: Forged brass; stem: nickel-plated/chrome-plated brass; seat: brass, plug/paddle: high temperature thermoplastic/rubber
• Actuator: High temperature plastic
• Operating temperature: 32 to 125°F (0 to 52°C)
• Can be mounted in horizontal or vertical piping; when installed in horizontal piping, the actuator must be above the valve body
• Three-way VM valves must be piped in a mixing configuration, not diverting
• Modulating PopTop Series valves require no maintenance

The VM3327T33A000 is part of the Erie PopTop Series, known for its innovative actuator design that allows for quick installation and service. All valves must be piped so that the plug closes against the direction of flow; for two-way valves, flow is from port B to port A. This valve is suitable for hot and chilled water applications in commercial and residential HVAC systems, including fan coil units, baseboards, and air handlers.