Heavy-Duty Durability: Engineered from materials that withstand extreme thermal fluctuations and mechanical stress

The Dwyer Instruments A-421 Static Pressure Tip is a professional-grade pickup designed for permanent installation in ductwork and air handlers

including GUA040 through GUA120 models

The unit is housed in die-cast aluminum with an impact-proof plastic cover

The burner insert itself is part of the firing assembly

Indeeco 101-B3-600-50 Outdoor Slave R-22 Heavy-Duty Durability: Engineered from materialsAs a veteran tech, you know that managing high capacity resistive loads in exposed environments requires hardware that doesn't quit. The Indeeco 101 B3 600 50 is a heavy duty SCR 50A Outdoor Slave unit engineered for precise proportional control in demanding HVACR applications. Built as a 3 phase SCR power controller, this zero cross fired assembly eliminates RFI noise while switching line voltages up to 600VAC. Designed to function in a master slave