Navien 30009933A - O-Ring Kit - NR and NP Series The Navien 30009933A is a complete O-ring kit designed for use with Navien NR and NP series tankless water heaters. This kit includes 16 of the most common O-rings and packing rings needed for routine maintenance and repairs. Made from durable rubber, these components ensure leak-free connections throughout the system. It's an essential kit for technicians servicing Navien units and helps maintain system integrity by preventing leaks at key junctions. Must be installed by a licensed professional to qualify for warranty coverage. Applications: Compatible with Navien NR and NP series condensing tankless water heaters Includes: 4 - 20006949A 2 - 20006948A 2 - 20017207A 2 - 20006947A 2 - 20017210A 1 - 20006950A 2 - 20006958A 1 - 20006853A PNAV000135
