What Size Filter Does a Lennox CBA25UHV-048 Use?
Lennox CBA25UHV-048 takes
18x20x1
- Replace
- Typically every 1 to 3 months
This air handler comes with a disposable 1 inch filter in a rack inside the cabinet.
Where to find the filter
- Turn off power to the air handler
- Loosen the thumbscrews and open the filter access door
- Slide the old filter out of the filter rack
- Slide in the new disposable 1 inch filter and close the door
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Common questions
What filter does the Lennox CBA25UHV-048 use?
It uses a 18x20x1 filter.
How often should I replace it?
Typically every 1 to 3 months. Replace sooner if the filter looks dirty.
Can I use a different brand of filter?
Only if it matches the part number or size listed above. Check your manual if you are unsure.
Source: manufacturer documentation