this unit is essential for monitoring both positive and negative pressures in VAV (Variable Air Volume) systems

Direct-Acting Design: Eliminates the requirement for a minimum pressure differential

this permanent split capacitor (PSC) motor delivers a reliable 840 RPM across two speeds

Common Questions & Technical Insights How do I plumb the 1/4" barbed connections for vacuum sensing

Thermal Stability: High-grade plastic resin construction prevents sagging and maintains drainage integrity during high-heat operation

Veris Industries H-221 Transducer R-410A this unit is essential forThe Veris Industries H 221 is a high performance 4 20mA current transducer engineered for precision monitoring of solid core electrical loads. Designed for industrial HVACR applications, the H221 current sensor monitors 0 to 300A AC, providing a linear analog output proportional to the current flow. This loop powered device eliminates the need for an external power supply, simplifying integration into existing BAS and PLC systems. As a veterans choice