Belimo Zone Valve Normally Closed with Auxiliary Switch

The Belimo normally closed zone valve with auxiliary switch is an HVAC control valve and actuator assembly for zone control in hydronic heating and cooling systems. It opens on demand to let hot or chilled water flow to a zone, and it returns to the closed position when the control signal is removed. This spring-return, fail-closed behavior helps keep unwanted flow out of the zone.

Key Features:

• Normally closed operation: the valve stays closed at rest and opens when the actuator is energized.
• Built-in auxiliary switch: a switch that operates with the valve position can start a boiler, pump, or other equipment when the valve opens.
• Cv-rated flow: each valve in the line has a published flow coefficient (Cv), so you can match it to the zone's flow requirements.
• Zone control: suited to fan coils, radiant heating loops, baseboard, and similar terminal units.
• Belimo build quality: Belimo is a well-known maker of HVAC actuators and valves, and its products are designed for reliable, repeatable control and long service life.

Choose the child item that matches your required Cv rating and connection configuration. Use this valve for hydronic zone control in residential, commercial, and light industrial HVAC systems.