The VD21A01KNX device is a motorized actuator for heating or cooling valves with screwing on the valve head.
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The actuator has an M30×1.5 connection suitable for common types of valve subparts.
– Integrated
temperature sensor– Room temperature
control– Mechanical valve
stroke indication– Automatic valve
stroke identification– One input that can be used as a binary
input– Can be used in the heating
circuit divider– Integrated
bus coupler– Valve protection function
In the basic configuration, the actuator is suitable for the secondary parts of Heimeier valves. For secondary parts of valves from other manufacturers, use an adapter. In such cases, it is not possible to guarantee proper operation.
| Code | Image | Type | Color | Channels |
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| VD21A01KNX |
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