Fail-Safe Design: The manual reset mechanism ensures that system faults are addressed before operation resumes

Advanced Diagnostics: Onboard LED indicators help identify system faults and streamline furnace troubleshooting during service calls

5A setpoint

Simplified Serviceability: Designed with a standard threaded stem and in-line serviceability for quick actuator mounting or packing replacement

that shares the exact same dual temperature ranges to maintain calibration

MAMAC Systems PR-274-R1-VDC Pressure Sensor Els PW 17895 Fail-Safe Design: The manual resetThe MAMAC Systems PR 274 R1 VDC is a high performance HVAC differential pressure transmitter designed for precise monitoring of building and room pressure, duct static, and filter pressure drop. Engineered with a micro machined glass on silicon (Gl Si) capacitance sensor, this unit provides superior stability and high resolution readings even in extremely low pressure applications. The PR 274 R1 VDC features a robust NEMA 4 enclosure, protecting