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Honeywell H8908ASPST Manual Humidistat

Honeywell H8908ASPST Manual Humidistat

  • $48.06
  • Rocket Speed

Honeywell H8908ASPST Manual Humidistat


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 systems. They have a SPST, snap-acting, dust-proof switch and are designed for wall or surface duct mounting.

Application: Provides humidity control for ducts, greenhouses, computer rooms, printing and photographic laboratories, and other applications where electronic accuracy, as well as remote sensing, is desired.

Type: Steam

Voltage: 24 Vac

Color: White

Mounting: Mounting Duct or Remote Mount (up to 20 feet/6 meters)

Temperature Range: 1.1C-40C

Dimensions (in.): 4-3/4 in. H x 3-1/8 in. W x 1-3/8 in. D


  • SPST, snap-acting, dust-proof switch and are designed for wall or surface duct mounting.
  • Positive ON and OFF settings.
  • Twelve-inch ribbon of thin, moisture-sensitive nylon ribbon wound around three bobbins effectively gives optimum control for reliable operation under changing ambient conditions.
  • Mounts in duct or on wall surface.

Product Type: Control

Control: H8908 manual humidistat

Application: Air Quality

Mount: Duct or Remote (up to 20 FT)

Voltage: 24v

Type: Steam

Switch: SPST

Temperature Range (F): 1.1°-40°C

Height: 4-3/4"

Width: 3-1/8"

Depth (Inches): 1-3/8"

Supplemental Information:

Honeywell H8908ASPST Brochure

Honeywell H8908ASPST Installation Instructions

Honeywell H8908ASPST Wiring Diagram

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