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Installer/Service Locator
Make sure your service provider calls Navien’s Technical Support Department while in front of your unit, before starting any repairs.
800-519-8794, option 2.
We also recommend that you report any maintenance at 800-519-8794, option 2 or option 3.
If you purchased a Navien product from an online retailer, it may not be covered under Navien’s limited warranty even if it was installed by an authorized Navien installer. Please see our Limited Warranty for details.