Carrier 328529-752 Pressure Switch Kit 321702-401 Operating as a direct-acting controller

Operating as a direct-acting controller at 15 and 20 psig

Standard installations of the 143100 include the necessary housing components

ANSI Class 250 Rating: Heavy-duty bronze construction handles high static pressures common in multi-story HVAC distributions

ensuring the pressure switch hose is clear of obstructions and the inducer housing is pulling the rated vacuum is essential before installation

providing superior ozone and heat resistance in demanding HVACR and industrial environments

Carrier 328529-752 Pressure Switch Kit 321702-401 Operating as a direct-acting controllerThe Carrier 328529 752 Pressure Switch Kit is a critical factory authorized OEM replacement designed to ensure high performance safety monitoring in gas furnaces. This dual stage kit is specifically engineered to replace the older 326070 701 and HK06NB013 models, providing a precise drop in for Carrier, Bryant, and Payne equipment. As a veteran technician knows, maintaining the correct negative pressure in the inducer assembly is non negotiable for