Honeywell HP970A1009 Direct Acting Pneumatic Humidistat, 2-Pipe

Description

The Honeywell HP970A1009 is a direct acting, 2-pipe pneumatic humidistat engineered for precise relative humidity sensing and control in commercial HVAC pneumatic systems. Designed for dependable performance in demanding building automation environments, this humidistat delivers accurate, responsive control with a straightforward single-setpoint configuration.

Key Features

• Direct acting pneumatic operation for reliable, responsive humidity control
• 2-pipe, single setpoint configuration for simplified system integration
• Flexible mounting — installs vertically or horizontally to suit any application
• Wide compatibility with standard pneumatic control systems
• Durable construction rated for commercial HVAC environments

Specifications

• Maximum Operating Temperature: 45°F – 125°F
• Maximum Operating Pressure: 25 PSI
• Throttling Range: 3 – 15% RH
• Scale Range: 15 – 75% RH
• Pipe Configuration: 2-Pipe, Single Setpoint
• Mounting Orientation: Vertical or Horizontal
• Brand: Honeywell
• SKU: HP970A1009

Application

The HP970A1009 is ideal for use in commercial buildings, institutional facilities, and industrial environments where pneumatic HVAC control systems require accurate relative humidity monitoring and regulation. Its broad scale range of 15–75% RH and adjustable throttling range of 3–15% RH make it well-suited for a variety of humidity control scenarios. The unit’s ability to mount in either vertical or horizontal orientation provides installation flexibility across diverse mechanical room and wall-mount configurations.