Will the AprilAire HYDROL HydroCore water panel cartridge (L) work with the AprilAire 720 Whole-House Humidifier (720A, 720M)?
Yes. AprilAire HYDROL HydroCore water panel cartridge (L) is listed as the original (OEM) part for this model.
Both records are reviewed against the manufacturers' sources; sources last checked 2026-10-13. Informational only: confirm with the manufacturer before buying.
Why
- ✓ AprilAire HYDROL HydroCore water panel cartridge (L) is listed as the original (OEM) part for this model.
Good to know
- 720A ships with the HYDROL (L) HydroCore cartridge; it does not use the flat #35 panel.
Sources
- AprilAire 720 Whole-House Humidifier (720A, 720M): specs from AprilAire shop - 720A Fan-Powered Evaporative Humidifier, checked against the source 2026-10-13.
- AprilAire HYDROL HydroCore water panel cartridge (L): specs from AprilAire shop - HYDROL HydroCore Water Panel Cartridge, checked against the source 2026-10-13.
- Part listing: AprilAire shop - 720A Fan-Powered Evaporative Humidifier.
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-720-humidifier", candidate_id: "aprilaire-hydrol".