Dwyer Instruments A-303 Pressure Tip 321702-401 Corrosion Resistance: All-aluminum construction prevents

Corrosion Resistance: All-aluminum construction prevents the galvanic corrosion often seen in bi-metal coils

By maintaining precise static pressure and airflow

Includes a standard 1/4" barbed connection for easy hose attachment

making it ideal for dead-end service and easier maintenance in pressurized piping systems

This comprehensive condensing boiler repair kit includes a heavy-duty cover plate

Dwyer Instruments A-303 Pressure Tip 321702-401 Corrosion Resistance: All-aluminum construction preventsThe Dwyer Instruments A 303 Pressure Tip is an essential diagnostic component for HVACR professionals requiring precision static pressure measurement in ductwork and air handling systems. Engineered with a 4 inch insertion depth, this portable static pressure tip is optimized to bypass boundary layer turbulence, ensuring accurate readings from the core of the airstream. The probe features four radially drilled . 040 inch sensing holes, a design