Lennox
Filters and parts for Lennox systems: Healthy Climate, Carbon Clean, PureAir and BMAC furnace filters (MERV 10 to 16, mostly 5-inch), PureAir annual maintenance kits, #10 and #35 humidifier pads, UVA lamps, flame sensors and Brinmar AC covers with the Lennox logo. Search by Lennox part number, such as X6670.
Shop Lennox furnace filters and Lennox maintenance kits, or see Lennox replacement filters and inserts, Lennox humidifier pads and Lennox AC supplies.
Lennox parts guide: PureAir kits, pads and filters ▾
Find the Lennox part number
Lennox part numbers such as X6670, X0586 or 19L16 are printed on the old filter or pad, and the unit model (for example PCO16-28) is on the cabinet label. Ordering by part number is the surest match.
PureAir filters and annual kits
Each PureAir unit has its own MERV 16 filter and annual maintenance kit:
| PureAir unit | Filter (size) | Annual kit |
|---|---|---|
| PCO16-28 | X8789 (16x26x5) | X8796 |
| PCO20-28 | X8788 (20x26x5) | X8795 |
| PCO14-23 | X8790 (20x21x5) | X8797 |
Humidifier pads and filter changes
The X2660 is the Healthy Climate #10 water panel and the X2661 is the #35. Replace the pad at least once a heating season, or sooner in hard water. For furnace filters, see how often to change furnace filters.
