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The DOORBIRD 423864689 is a replacement bell button designed for use with the D21X series video door station. This nameplate bell button is finished in RAL7015 slate gray, providing a color-matched replacement or upgrade option for installations where the D21X door station is deployed. It is a direct-fit accessory intended for installation by low-voltage technicians, security integrators, or experienced service professionals working on access control and intercom systems. The unit ships as a single piece and is suited for both residential and light commercial door station applications.
This bell button is intended for use with the DOORBIRD D21X series door station. It is a surface-mounted component that integrates into the existing door station faceplate assembly, making it applicable to new installations and service replacements alike. Typical deployment includes multi-unit residential buildings, commercial entryways, and smart access control setups where the D21X platform is already in use. The RAL7015 slate gray finish is a standard industrial color code, ensuring consistency with matching hardware on the door station body.
Designed as an OEM-style replacement bell button for the DOORBIRD D21X series video door station platform.
Installation should be performed by a qualified low-voltage technician or security systems integrator familiar with intercom and access control equipment. Power to the door station should be disconnected before removing or replacing the bell button assembly. Follow the manufacturer installation documentation for the D21X series to ensure proper seating and fitment of the nameplate component. Verify that the RAL7015 color finish matches the existing door station hardware before final installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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