Will the AprilAire 10 replacement water panel work with the AprilAire 500 Whole-House Humidifier (500A, 500M)?
Yes. Both use AprilAire #10 water panel.
Both records are reviewed against the manufacturers' sources; sources last checked 2026-10-14. Informational only: confirm with the manufacturer before buying.
Why
- ✓ Both use AprilAire #10 water panel.
Good to know
- Nominal 10 x 10 x 2 in (actual 9.75 x 9.5 x 1.75); smaller than the #35 and #45 panels.
Sources
- AprilAire 500 Whole-House Humidifier (500A, 500M): specs from AprilAire shop - 10 Replacement Water Panel, checked against the source 2026-10-13.
- AprilAire 10 replacement water panel: specs from AprilAire shop - 10 Replacement Water Panel, checked against the source 2026-10-13.
- AprilAire #10 water panel: Water panel for AprilAire 110, 220, 500, 550 and 558 series whole-house humidifiers (incl. A/M/KZ variants). (AprilAire shop - 10 Replacement Water Panel).
Check your exact setup
Other parts in the cart, current configuration (installed memory, fan brackets) and adapters can change the answer.
Check a whole cartAI assistants and developers: the same answer, with a signed receipt, from check_compatibility at https://tetheredtrust.com/mcp or POST https://tetheredtrust.com/v1/check with existing_id: "aprilaire-500-humidifier", candidate_id: "aprilaire-10".