FitCheckrCompatibility verdict
Does X6673 fit HCC20-28?
Model: HCC20-28
Part: X6673
Fit summary
Lennox HCC20-28 cabinets are commonly matched with X6673-style Healthy Climate filters; confirm cabinet label and depth.
X6673 compatibility details for Lennox HCC20-28
Compatibility verdict
This replacement is marked as a likely fit.
Compatible model
Lennox HCC20-28 · Lennox Healthy Climate HCC20-28 Cabinet
OEM status and part number
X6673 is marked as OEM in the replacement data.
Replacement interval
About every 6-12 months depending on system use
Source confidence explanation
FitCheckr shows this compatibility check with a 82% confidence score based on 3 source signals. Higher confidence means more consistent source evidence, not lab testing.
Lennox Healthy Climate filter numbers map to cabinet size and depth. Confirm X6673 before substituting generic 20x25x5 filters.
- Marketplace title says universal fit but does not mention HCC20-28.
- The old part number on your device does not match X6673 or its known family.
- The listing photo looks close, but the latch, seal, bag type, or frame shape differs.
Does X6673 fit Lennox HCC20-28?
This replacement is marked as a likely fit.
Which model is X6673 listed for?
X6673 is shown on FitCheckr for Lennox Healthy Climate HCC20-28 Cabinet (HCC20-28). Always confirm the exact model number on your device before choosing a replacement.
Is X6673 an OEM part?
X6673 is marked as OEM in the current FitCheckr data. Use the official source page when warranty or certification matters.
What should I check before choosing a replacement?
Check your exact device model, the existing part number, manufacturer instructions, replacement interval, and any latch, seal, chip, bag, cartridge, or frame differences.
What is this confidence score based on?
3 public source signals are currently reflected in this fit check. FitCheckr combines official pages, manuals, support documents, retailer listings, and public discussion summaries where available.
3 public source signals checked. FitCheckr weighs official pages, manuals, support docs, retailer listings, and public discussion summaries before showing a fit verdict.