Navien NaviLink User Manual page 2

If your NaviLink requires service, you have several options for
getting service, contact Technical Support at 1-800-519-8794 or on
the website: www.navien.com.
For warranty service, always contact Technical Support first.
TEL: 1-800-519-8794
FAX: 1-949-420-0430
Add: 20 Goodyear lrvine, CA 92618
This product can be used in the following countries: USA, CA