Navien undertakes to rectify any manufacturing defect that occurs within the warranty period after the installation date. Each model has a different warranty period. Navien Warranty registration is simple. Just take a picture of your Warranty Registration Card or Benchmark Commissioning Checklist, and email to email@example.com. The details of installation will then be automatically registered within Navien Service Management System. Alternatively, please telephone one of our Warranty Registration Advisors on 0844 332 2323.
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