the BQC-AA designation specifically denotes the port sizing and capacity range within the BQ valve family

making it a professional-grade choice for both residential high-velocity systems and commercial applications

The microfarad (MFD) rating must remain exactly 50/7

This DC starting device includes advanced communication interfaces for error logging and supports both mechanical and electronic NTC thermostats

Carrier 327872-701 Drain Parts Kit 321894-706 the BQC-AA designation specifically denotesThe Carrier 327872 701 Drain Parts Kit comes with Genuine Bryant Carrier factory OEM parts. It easily replaces old carrier part numbers such as 326352 701; 326353 701; 322092 701; 322055 301; 327872 701. This condensate drain kit is used in over 300 furnaces, and assures best in class quality. Use this drain parts kit to replace your worn out or damaged drain parts.