Description
The A-520-1-A-1 4" Duct Static Pressure Probe has a unique dual orifice design eliminating air flow error. This easy to install probe has a gasketed mounting flange, brass connector, and mounting holes. It's designed to be tamper proof with a sensing cavity that can't be blocked by tape or any other obstructions. The probe picks up static pressure in various forms of HVAC equipment such as ducts.
