The H8908B Humidistat and H8908C Dehumidistat (humidity controllers) provide automatic low voltage control of humidifiers and dehumidifiers or ventilators,respectively, in central heating and air conditioning sys-tems. They have a spst, snap-acting, dust-proof switch and are designed for wall or surface duct mounting. Model:H8908C Page: 4 Note: For opening this Honeywell Thermostat H8908C User Manual, your computer need Adobe … Continue reading Honeywell Thermostat H8908C User Manual