Are you unsure if your Navien products are still under warranty?
Simply enter your serial number or postcode below to find your warranty expiry date.
Please note that all warranty lengths are subject to the undertaking of an annual service from the installation date, as outlined in the warranty Terms & Conditions.
No results found
Smart Tok units have a 5 year warranty from installation date.
Smart Plus units have a 2 year warranty from installation date.
Please refer to your product’s user manual for the location of the serial number.
Do not remove any screws or fixings from a product to find a serial number. If access to the product is restricted, please consider your health and safety before proceeding.