PadMatch / Every humidifier water panel and furnace filter size
- OEM part
- Lennox X2661
- Fit group
- GA35
- Cross-references to
- AprilAire 35, HC26E1004, HC26A1008, GeneralAire 990-13, Totaline P110-3545, Trane BAYPAD02A1310A
- Dimensions to match
- 10 in W x 13 in H x 1.75 in D
- Fits humidifiers
- Lennox WB2-17, WB2-17A, WB3-17, WB3-17A, HCWB3-17, HCWB3-17A, WP2-18, WP2-18A
Cross-brand equivalents for the Lennox X2661 and the exact part to buy.
| Part number | Type | Fit group | Frame size to match |
|---|---|---|---|
| Lennox X2661 | OEM | GA35 | 10 in W x 13 in H x 1.75 in D |
| AprilAire 35 | Cross-ref | GA35 | 10 in W x 13 in H x 1.75 in D |
| HC26E1004 | Cross-ref | GA35 | 10 in W x 13 in H x 1.75 in D |
| HC26A1008 | Cross-ref | GA35 | 10 in W x 13 in H x 1.75 in D |
| GeneralAire 990-13 | Cross-ref | GA35 | 10 in W x 13 in H x 1.75 in D |
| Totaline P110-3545 | Cross-ref | GA35 | 10 in W x 13 in H x 1.75 in D |
| Trane BAYPAD02A1310A | Cross-ref | GA35 | 10 in W x 13 in H x 1.75 in D |
- Lennox WB2-17
- WB2-17A
- WB3-17
- WB3-17A
- HCWB3-17
- HCWB3-17A
- WP2-18
- WP2-18A
The Lennox X2661 fits Lennox WB2-17, WB2-17A, WB3-17, WB3-17A, HCWB3-17, HCWB3-17A, WP2-18, WP2-18A. The Lennox Healthy Climate number 35 panel for the WB2-17 bypass humidifier. Lennox publishes it as a 10 by 13 panel that cross-references to the Aprilaire 35, so the two swap.
Match the frame size, not just the part number. Pads in one cross-reference group share a humidifier fit list but can differ by a quarter inch, so a pad that is slightly short or thin can let water run past it. Confirm the printed dimensions before buying a generic.
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 X2661 water panelLennox X2661
- AprilAire Water Panel 35equivalent (AprilAire 35)
- Honeywell Home HC26E1004 humidifier padequivalent (HC26E1004)
- Honeywell Home HC26A1008 humidifier padequivalent (HC26A1008)
- GeneralAire 990-13 evaporator padequivalent (GeneralAire 990-13)
- Totaline P110-3545 humidifier water panelequivalent (Totaline P110-3545)
Sources: Lennox Healthy Climate #35 X2661 water panel (LennoxPros) ยท Industry evaporator-pad cross-reference chart (2J Supply)