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While primarily designed for Armstrong Air and Ducane equipment
F / 370V) during the installation of any HVAC blower motor
Heavy-duty 2-1/2" NPT connection ensures a leak-proof seal in high-pressure steam and hydronic tanks
though mounting orientation should be verified
Dwyer Instruments A-421 Pressure Tip 340155-7026 While primarily designed for ArmstrongAs a field technician, you know that accurate static pressure measurement is the baseline for diagnosing system performance. The Dwyer Instruments A 421 Static Pressure Tip is a professional grade pickup designed for permanent installation in ductwork and air handlers. Featuring a 6 inch probe with four radially drilled . 040 inch sensing holes, this assembly effectively eliminates the impact of air velocity and turbulence to provide a true static