Technical Specifications

H8908B1002
24 Vac Duct or Wall Mounted Premier White® Humidistat
Overview
The H8908A Humidistat and H8908D 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.
Features
• 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 Specifications
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Description Humidistat
Application Humidification
Type Humidity Control
Voltage 24 Vac
Electrical Ratings (120 Vac, Full Load) 50 VA at 24 Vac
Color Premier White®
Mounting Duct mount
Mounting Wall mount
Differential 4% to 6% RH
Temperature Range (F) -20 F to +120 F
Temperature Range (C) -29 C to +49 C
Operating Humidity Range (% RH) 10 to 60% RH
Dimensions (in.) 3 3/4 in. high x 3 1/4 in. wide x 2 in. deep
Dimensions (mm) 95.3 mm high x 82.6 mm wide x 50.8 mm deep
Tradeline Value Tradeline