Condensing Combi Boiler
Installation
& Operation Manual
Getting Service
If your boiler requires service, you have several options for getting service:
Contact an official Technical Assistance Service (TAS) at 0844 332 2323 or go to the website
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(www.navien.co.uk).
For warranty service, always contact an official Technical Assistance Service (TAS) first.
Contact the technician or professional who installed your boiler.
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Contact a Gas Safe Registered engineer.
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When contacting an official Technical Assistance Service (TAS), please have the following information
available:
Model number
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Serial number
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Date purchased
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Installation location and type
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Error code, if any appears on the front panel display
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Navien LTD
Building 2, Guildford Business Park, Guildford, GU2 8XH
TEL 0844 332 2323 www.navien.co.uk
Version: 1.2 (July, 2022)