62 Venting the Boiler
3. Remove the filter from the boiler and replace with a new filter.
Note
One Replacement filter is included. Additional filters
can be ordered through authorized Navien distributors.
CAUTION
Ɣ
If the air filter is not replaced, it may result in poor
performance for the boiler.
Ɣ
If the internal air filter is fully blocked with dust and debris,
an error code may occur due to intake blockage being
detected in the boiler.
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