Getting Service
If your boiler requires service, you have several options for getting service:
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Contact Technical Support at 1-800-519-8794 or on the website:www.navieninc.com.
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For warranty service, always contact Technical Support first.
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Contact the technician or professional who installed your boiler.
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Contact a licensed professional for the affected system (for example, a plumber or
electrician).
When you contact Technical Support, please have the following information at hand:
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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.
800.519.8794 www.navieninc.com
20 Goodyear lrvine, CA 92618
Installation & Operation Manual
NCB-H Condensing Combi-Boilers
T H E L E A D E R I N C O N D E N S I N G T E C H N O L O G Y
Version: 1.0 (November, 2020)
Summary of Contents for NCB-190/060H
Page 141: ...141 Appendixes 12 6 4 Fan Gas Assembly 10 9 12 8 7 3 1 2 4 5 6 13 11 11 14 15...
Page 143: ...Memo...
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