Which version do I need? We also carry a similar model with a different specification. Compare size, connection, length and the other details before ordering, and contact us if you need help choosing. See also: Honeywell Home 2-way 3/4 in fNPT VC Valve Assy 4.7 Cv and Linear Flow VCZAL1100/E.
The VCZAL1100/U is a VC series two-way valve assembly from Resideo, the company behind the Honeywell Home line of hydronic controls. It has a 3/4-inch female NPT bronze body, a 4.7 Cv rating, and a linear flow characteristic. It is used for zone control in residential and light commercial heating and cooling systems.
The body holds a replaceable cartridge, and the actuator mounts on top. According to Resideo, the actuator can be installed without draining the system, and the moving parts can be replaced quickly.
What a complete VC zone valve takes: a valve assembly and a VC series actuator, ordered separately. This listing is the valve assembly. Pick the actuator that matches your control signal.
VC series actuators for this valve
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Brand: Honeywell Home
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Manufacturer Part #: VCZAL1100/U
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Series: VC
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Configuration: 2-way
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Connection size: 3/4 in
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Connection type: Female NPT
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Cv: 4.7
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Flow characteristic: Linear
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Includes: Valve and cartridge installation wrench
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Category: Zone Valves
Full Specifications
| Connection Type |
Female NPT |
| Flow Coefficient |
4.7 Cv; 4.0 Kvs |
| Valve Flow Characteristic |
Linear |
| Controlled Media |
Water with max. 50% glycol according to VDI 2035 |
| Valve Seat Material |
EPDM O-ring seals on Noryl piston |
| Approvals and Standards |
CSA Certified |
| Includes |
Valve, Cartridge Installation Wrench |
| Product Weight |
0.54 lb |
| Differential pressure for close-off (Max) |
60 psi, 414 kPa (4 bar) |
| Media Temperature (Min) |
34 °F, 1 °C |
| Media Temperature (Max) |
203 °F, 95 °C |
| Ambient Operating Temperature (Min) |
32 °F, 0 °C |
| Ambient Operating Temperature (Max) |
150 °F, 65 °C |
| Operating Pressure (Max) |
300 psi, 2068 kPa (20 bar) |
| Static Pressure Rating |
300 psi, 2068 kPa (20 bar) |
| Valve Body Material |
Bronze |
| Valve Body Pattern |
Two-way, Straight Through |
| Valve Cartridge |
Yes |
| Cartridge Material |
Ryton and Noryl Plastic |
| Seal Material |
EPDM Rubber |
| Valve Stem Material |
Stainless Steel |
| Valve Stem Travel |
0.4 in, 10 mm |
| Warranty |
5 years |
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