PadMatch / Every humidifier water panel and furnace filter size
- Humidifier models
- Lennox WB2-12 / WB3-12 / HCWB2-12
- Correct pad
- Lennox X2660
- Pad dimensions
- 10 in W x 9.75 in H x 1.75 in D
- Replacement interval
- once per heating season
The correct replacement pad for the Lennox WB2-12 / WB3-12 / HCWB2-12, and the sizes that look right but are not.
- Lennox WB2-12
- WB3-12
- HCWB2-12
The smaller Lennox WB2-12 and WB3-12 bypass humidifiers take the X2660 number 10 panel, roughly 10 by 9.75 inches, in the same group as the Aprilaire 10.
The Lennox Healthy Climate number 10 panel for the smaller WB2-12 bypass humidifier. Lennox lists it as a cross-reference for the Aprilaire 10, so it fits the same small bypass slot.
Find your model
Read the number stamped on the humidifier cabinet or printed on the old pad, then match it below. Confirm the frame size before buying a generic.
- Lennox Healthy Climate X2660 water panelLennox X2660
- Lennox X2660 equivalent and cross-referencescompatible and generic pads
- AprilAire 600 whole-house humidifierAprilAire 35
- AprilAire 500 whole-house humidifierAprilAire 10
- AprilAire 400 whole-house humidifierAprilAire 45
Sources: Lennox Healthy Climate #10 X2660 water panel (LennoxPros) ยท Lennox WB2 Healthy Climate bypass humidifier install guide (Lennox tech)