Carrier 328529-752 Pressure Switch Kit 321702-401 slow-opening natural gas valve for

slow-opening natural gas valve for high-efficiency heating systems

typically between 18 and 25 psi

it maintains consistent pilot burner operation

Standard installations of the 143100 include the necessary housing components

Carrier 328529-752 Pressure Switch Kit 321702-401 slow-opening natural gas valve forThe 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