Getting Service
If your boiler requires service, you have several options for getting service:
●
Contact Technical Support at 1-800-519-8794 or on the website: www.navieninc.com.
●
For warranty service, always contact Technical Support first.
●
Contact the technician or professional who installed your boiler.
●
Contact a licensed professional for the affected system (for example, a plumber or electrician).
When you contact Technical Support, please have the following information at hand:
●
Model number
●
Serial number
●
Date purchased
●
Installation location and type
●
Error code, if any appears on the front panel display.
800.519.8794 www.navieninc.com
20 Goodyear lrvine, CA 92618
Installation Manual
NFB-H Condensing Boilers
T H E L E A D E R I N C O N D E N S I N G T E C H N O L O G Y
Version: 1.0 (March, 2021)
Summary of Contents for NFB-175H
Page 134: ......