Product Registration

Register Your Product

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Navien will never send unsolicited e-mail or share the e-mail or url address with other companies.

I would like to register a:

Newly purchased Navien unit

Warranty replacement unit

Customer Information

* First name:

* Last name:

* Zip/Postal Code:

* City/State:

* Street:

* Phone:

Email:

See Privacy Policy about collection and usage of your Personal Information.

* Unit quantity:

* Cascade:

* Fuel:

* Purpose:

* Serial number:

* Replacement:

* Installation date:

Product Serial number is 15-16 digits and can be found either on the right side of the box or the back of the front cover.

Navien, Inc. Technical Customer Service Department

To register a warranty replacement unit please call 800-519-8794, option 3.

Product Registration

Register Your Product

Customer Information

Navien Blog

Navien News

Register Your Product

Customer Information

Cascade

Serial Number

Replacement