Belimo Z2ZS0090 3/4" Zone Valve 3.5 Cv 24V Normally Closed with Auxiliary Switch

The Belimo Z2ZS0090 is a 3/4-inch sweat connection two-way zone valve designed for hydronic heating and cooling systems. This electrically actuated valve provides precise flow control with a 3.5 Cv flow coefficient, making it ideal for residential and light commercial HVAC applications.

Key Features:

• 3/4-inch sweat (solder) copper connections for secure pipe attachment
• 3.5 Cv flow coefficient for optimal system performance
• 24V AC/DC power supply for standard HVAC control compatibility
• Normally closed (NC) configuration - valve closes when power is removed for fail-safe operation
• Integrated auxiliary switch for end position feedback and system monitoring
• Two-way valve design for on/off zone control applications
• Compact actuator design for easy installation in tight spaces
• Belimo quality engineering for reliable, long-lasting performance

This zone valve is commonly used in radiant heating systems, chilled water applications, and hydronic zone control where precise on/off flow control with position feedback is required. The auxiliary switch enables integration with building automation systems and provides confirmation of valve position.