Belimo Z2ZS0094 3/4" Sweat 2-Way Zone Valve 3.5 Cv 24V Normally Open with Auxiliary Switch

The Belimo Z2ZS0094 is a compact 2-way zone valve assembly designed for efficient on/off control in hydronic heating and cooling systems. This factory-assembled unit combines a 3/4-inch sweat connection valve body with a spring return actuator featuring a built-in auxiliary switch for enhanced system control.

Key Features:

• 3/4-inch sweat (solder) connections for secure, leak-free installation
• 2-way configuration with 3.5 Cv flow coefficient for optimal performance
• 24V AC/DC operation with spring return fail-safe design
• Normally open (N/O) configuration - valve opens when power is removed
• Built-in SPST auxiliary switch for pump control or zone indication
• Forged brass valve body with stainless steel stem for durability
• EPDM seals rated for chilled or hot water applications with up to 50% glycol
• Compact design ideal for tight installation spaces
• Operating temperature range: 32°F to 212°F (0°C to 100°C)
• 300 PSI pressure rating with close-off pressure up to 75 PSI

This zone valve is perfect for residential and light commercial HVAC applications requiring reliable on/off control of hydronic zones. The auxiliary switch enables integration with circulators, zone controllers, or building automation systems. Belimo's proven actuator technology ensures quiet operation and long service life with minimal maintenance requirements.