Getting Service
If your water heater 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
.
Contact the technician or professional who installed your water heater.
Contact a licensed professional for
ected 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
Navien, Inc.
800.519.8794 www.Navien.com
20 Goodyear, Irvine, CA 92618
Operation Manual
NPE Condensing Water Heaters
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Version: 5.3 (June. 05, 2018)
20026535F
Summary of Contents for NPE-150S
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