serving as the 1:1 direct replacement for Barber Colman K-503 and Invensys K-503 models

The A22182-1 serves as the modern replacement for the older Armstrong A1534 part number

providing reliable switching for condenser fans and compressors

laboratory

MAMAC Systems PR-276-R11-MA Pressure Sensor Els PW 29614 serving as the 1:1 directThe MAMAC Systems PR 276 R11 MA is a professional grade duct static pressure transmitter designed for precise HVAC automation and VAV system monitoring. Built around a micro machined, glass on silicon (Gl Si) capacitance sensor, this unit offers exceptional stability and NIST traceable accuracy of 1. 0% FS, even at low pressure levels. As a veteran preferred HVAC pressure sensor, it features three field selectable pressure ranges (0 15"wc, 0 7. 5"wc,