Filter Replacement (Diffusion) - Honeywell BW RigRat User Manual

Filter Replacement (Diffusion)

If the filters over the sensors appear dirty, replace them. The external filters are located inside the
panel on the rear of the RigRat:
1. Turn off the RigRat.
2. Remove the Rain Protector.
3. Remove the four screws that hold the Sensor Cover in place.
4. Carefully take out the O-rings in each sensor location on the plate.
5. Remove the current filters.
BW RigRat User's Guide
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