The Honeywell Humidistat (H8908B) provides reliable, low-voltage control of humidifiers within central heating systems. Featuring a snap-acting, dust-proof knob, each Humidistat switch is designed for wall or surface duct mounting. It also features positive on and off positions as well as a convenient 20 to 80 percent relative humidity (RH) range to give you complete control. Explore our Honeywell H8908B Humidistat manual to get all the information you need on mounting, wiring and settings.
The H8908B Humidistat (humidity controller) provides low voltage control of humidifiers in central heating systems. They have a spst, snap-acting, dust-proof switch and are designed for wall or surface duct mounting.
- For use on humidification applications
- 20 to 80% relative humidity (RH) range
- Includes positive off & on positions
Mounting, Location, Wiring, Settings (81k pdf, 4 pages)