Dwyer Instruments A-421 Pressure Tip 340155-7026 Heavy-duty 2-1/2" NPT connection ensures

Heavy-duty 2-1/2" NPT connection ensures a leak-proof seal in high-pressure steam and hydronic tanks

The included bracket is designed to position the control in direct proximity to the heat exchanger

While primarily designed for Armstrong Air and Ducane equipment

the entire unit should be replaced to ensure system reliability

F / 370V) during the installation of any HVAC blower motor

Dwyer Instruments A-421 Pressure Tip 340155-7026 Heavy-duty 2-1/2" NPT connection ensuresAs 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