HONEYWELL VC7931ZZ11T
The Honeywell VC7931ZZ11T is a high-performance valve actuator designed for HVAC systems. With precise control capabilities, it ensures accurate valve operation, optimizing system efficiency, and enhancing comfort in commercial and residential environments. It is reliable and easy to install.
Key Features
- 24 VAC modulating actuator for hydronic valves
- 0/2‑10 V control signal input
- Up to 60 psi (400 kPa) close‑off performance
- Motorised valve travel of approx. 120‑140 sec
- Compatible with 2‑way or 3‑way valve bodies
- Removable actuator head without draining system
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Description
In modern hydronic HVAC systems where precise flow control of hot or chilled water is essential—such as fan coil units, mixing stations or chilled beam loops—the VC7931ZZ11T provides a robust solution. This modulating actuator is part of Honeywell’s VC7900 series and offers silent motion, proportional control (via 0‑10 V signal) and a high close‑off rating (60 psi) that ensures reliable shut‑off under challenging pressure conditions. Honeywell+2Resideo Customer Portal+2
Because the actuator is removable without draining the system, maintenance is faster and disruptions are minimized. The ability to fit either 2‑way or 3‑way valve bodies provides installation flexibility. Compared to simple on/off zone valves, this unit offers modulating control which improves comfort, reduces pump energy and avoids “bang‑bang” behaviour. Whether you’re renovating an HVAC system in a commercial building or specifying for a new build, the VC7931ZZ11T gives you professional‑grade performance, compliance with building‑control standards and easier maintenance access—making it superior to many generic actuator‑valves that lack proportional control, high pressure ratings or removable heads.
Specifications
- Supply voltage: 24 VAC (50/60 Hz), Class 2 circuit. Honeywell+1
- Control signal: 0/2 to 10 Vdc (actual 2‑9 Vdc) for modulating control. Honeywell
- Maximum close‑off differential pressure: 60 psi (400 kPa) for modulating actuator. Resideo Customer Portal+1
- Nominal timing (full stroke): ~120 sec at 60 Hz (~140 sec actual) for full open/close. Honeywell
- Ambient operating temperature: 0 °C to +65 °C (32 °F to 150 °F). Honeywell
- Storage temperature: ‑40 °C to +65 °C (‑40 °F to 150 °F). Honeywell
- Fluid temperature range: 1 °C to 95 °C (34 °F to 203 °F). Honeywell
- Valve body and cartridge materials: Valve body bronze; cartridge Ryton™/Noryl™; EPDM seal; stainless steel stem. Honeywell
- Housing dimensions: Approx. 70 mm high × 94 mm wide × 68 mm deep (2.8″ × 3.7″ × 2.7″) for actuator head. Resideo Customer Portal
- Weight: Approx. 0.38 kg (0.84 lb) for actuator head. Resideo Customer Portal
- Additional features: Double‑insulated actuator, plenum‑rated cable (~1 m length).
For the Bangladesh market, please contact our authorised distributor for a tailored quotation for the VC7931ZZ11T including customs duty, shipping and installation support. Local pricing varies depending on quantity, exchange rate and delivery terms.
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