Description
The Caleffi Z307433 is a no-lead, 3-way valve body designed for precision flow control in hydronic heating and cooling systems. Featuring 1/2″ sweat (SWT) end connections and a 3.5 Cv flow coefficient, this valve body delivers reliable mixing or diverting performance in residential and light commercial hydronic applications.
Key Features
- 3-way valve body configuration for mixing or diverting service
- 1/2″ sweat (SWT) end connections for easy copper pipe integration
- 3.5 Cv flow coefficient for accurate flow balancing
- No-lead construction for compliance with lead-free plumbing regulations
- Engineered for use in hydronic heating and cooling distribution systems
- Compatible with Caleffi actuators and zone control accessories
Application
The Z307433 valve body is ideal for zone control, radiant heating manifolds, fan coil units, and other hydronic distribution systems where precise mixing or diverting of hot or chilled water is required. Its no-lead brass construction ensures compliance with current plumbing codes in potable and non-potable water systems.
Specifications
- SKU: Z307433
- Brand: Caleffi
- Configuration: 3-Way Valve Body
- Connection Type: 1/2″ Sweat (SWT)
- Flow Coefficient (Cv): 3.5
- Construction: No Lead







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