Description
The Belimo ZONE220S-35 is a factory-assembled, 2-way sweat zone valve and actuator combination engineered for reliable hydronic zone control in residential and light commercial heating and cooling applications. Featuring a 3/4-inch sweat (solder) connection and a flow coefficient (Cv) of 3.5, this unit delivers accurate, repeatable flow regulation to meet demanding zoning requirements.
Belimo’s ZONE series integrates the valve body and electric actuator into a single, compact assembly, eliminating the need for separate components and simplifying installation. The sweat end connections provide a leak-tight, permanent joint compatible with standard copper piping systems.
Key Features
- 2-way valve configuration for on/off or modulating hydronic zone control
- 3/4″ sweat (solder) end connections for direct copper pipe installation
- Cv 3.5 flow coefficient for precise flow capacity matching
- Factory-assembled valve and actuator — no field assembly required
- Compact, space-saving design ideal for tight mechanical spaces
- Spring-return or non-spring-return actuator operation (per Belimo ZONE series design)
- Compatible with standard 24 VAC control systems
- Suitable for residential and light commercial hydronic heating and cooling systems
Applications
- Hydronic radiant floor heating zone control
- Fan coil unit supply or return line isolation
- Baseboard and panel radiator zoning
- Chilled water and hot water distribution systems
- Residential and light commercial multi-zone HVAC systems
Why Choose Belimo ZONE Series?
Belimo is a globally recognized leader in actuator and valve technology. The ZONE series is purpose-built for zoning applications, combining proven actuator reliability with high-quality valve construction. The integrated design reduces installation time, minimizes potential leak points, and ensures consistent performance over the life of the system.
Product Specifications
- SKU: ZONE220S-35
- Brand: Belimo
- Valve Type: 2-Way
- Connection Type: Sweat (Solder)
- Pipe Size: 3/4″
- Flow Coefficient (Cv): 3.5
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