Aprilaire 63 Modulating Control 321894-708 Dual-Purpose Design: Supports both the

Dual-Purpose Design: Supports both the 55 MFD compressor circuit and the 7

this Gems Series 26 control board features a direct acting mode of operation with a sensitivity of 26

Updated Part Validation: Supersedes part 100146321

Common Questions What is the difference between FRN-R and FRS-R fuses

Aprilaire 63 Modulating Control 321894-708 Dual-Purpose Design: Supports both theThe Aprilaire 63 Modulating Control is an advanced automatic digital modulating control package specifically engineered for the Aprilaire 801 steam humidifier. This precision kit uses a microcomputer based design to deliver responsive humidity control, ensuring the indoor environment maintains an ideal moisture balance. By providing a 010Vdc or 210Vdc modulating output, the system adjusts the humidifier's intensity proportionally as the space