they are identical units

Whether you are installing a new commercial reach-in or servicing a split system

which helps maximize the overall SEER/EER of the HVAC system

and the 10 SCFM flow capacity supports consistent air delivery for control circuits and pneumatic instrumentation

Key Benefits for Technicians: Wide Temperature Range: Covers 25°F to 70°F

Setra 2651006WD11A1C Pressure Transducer Refrigerant they are identical unitsThe Setra 2651006WD11A1C is a professional grade low differential pressure transducer engineered specifically for high efficiency HVAC system monitoring and VAV fan control. This unit features a 0 to 6 in. W. C. range and utilizes Setras signature all stainless steel capacitive sensing element. Unlike cheaper alternatives that rely on signal amplification, this dead ended sensor design minimizes thermal drift and hysteresis, ensuring 1% FS accuracy