Open AIR Humidity Sensor (0000-4218 Replacement)

What is it?

This sensor is a fully backward-compatible replacement for the original Duco sensor 0000-4218.

It works with all DucoBox Silent models, as well as other DucoBox ventilation units that support this sensor.

Compatibility

• Direct drop-in replacement for the original Duco sensor 0000-4218.

• Recommended only if you own an original DucoBox.

• Unlike the original sensor, this version comes with a conformal coating for added protection, increasing durability and extending its lifespan. (more info)
   

• If you use an Open AIR Mini or other Open AIR products, we recommend this alternative sensor: Click

Why Choose this Sensor?

This sensor provides a seamless replacement option for existing DucoBox systems.
It allows you to maintain full compatibility without modifications ideal if you want to keep your system as originally designed.