Dwyer Instruments 2020 Pressure Gage 320720-756 making it a standard choice

making it a standard choice for technicians maintaining Bohn

count the flashes between 10-second pauses to identify the stored Diagnostic Code in the memory

providing reliable floating or two-position SPDT control for professional contractors

making it ideal for standard three-wire control configurations

use the Allanson 2275 series

Dwyer Instruments 2020 Pressure Gage 320720-756 making it a standard choiceThe Dwyer 2020 Magnehelic Gage is the industry standard for monitoring differential pressure in commercial HVAC systems, specifically designed for a range of 0 20. 0" w. c.. This high precision instrument utilizes a friction free Magnehelic movement, ensuring rapid response to pressure changes without the maintenance requirements of liquid filled manometers. Engineered for air and non combustible gases, the 2020 model features a 4" diameter dial face