Description
Upgrade your hydronic valve control with the Honeywell/Resideo VC7934ZZ11 VC Modulating Actuator, designed for proportional control of two‑way and three‑way VC Series valves used in heating and cooling systems. Whether installed on fan coil units, radiators, or central hydronics, this actuator delivers smooth, precise modulation to maintain system balance and comfort.
Features:
- Manual opener (on all models, except straight-through, normally open valves) for valve operation on power failure; valve returns to automatic position when power is restored.
- All models may be installed without disassembling the valve.
- Compact construction for easy installation.
- Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system.
- Actuator motor may be replaced without removing the valve body or draining the system.
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