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Arcoaire
This page carries Tier1 water panels in the Aprilaire #10 and #35 sizes, sold in 2-packs. Before ordering for your Arcoaire whole-house humidifier, compare the size and part number of your current pad with these two panels. Aprilaire recommends a new panel once a year.
How to check fit
An Arcoaire humidifier takes a Tier1 panel only if its pad is the same size as the #10 or #35. To check:
- Write down any part number on your current pad.
- Measure the pad.
- Compare it with the #10 (Aprilaire 110, 220 and 500 series) and #35 (Aprilaire 600 and 700 series) listings.
Common questions
Which pad fits my Arcoaire humidifier?
The pad that fits your Arcoaire humidifier is one with the same dimensions as your current pad. If it matches the #10 or #35 size, a Tier1 panel will fit. If not, browse all humidifier water panels for other sizes.
