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Navien NFB Series User Manual

Navien NFB Series
232 pages
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82 Installation Checklist
PCB DIP switch setting (DIP SW 2, set of 8) Yes No
Gas type: Is switch #1 set correctly for LP (ON) or NG (OFF)?
If continuous boiler operation is required, is switch #7 in the up (ON) position?
If high temperature venting has been installed (CPVC or polypropylene), is switch #8 in the up (ON) position?
Operating the boiler Yes No
Have you given the Installation & Operation Manual and User’s Information Manual to the owner for future reference?
Have you shown the owner how to shut off the gas in case of an emergency?

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Navien NFB Series Specifications

General IconGeneral
TypeCondensing Boiler
Fuel TypeNatural Gas or Propane
Heat ExchangerStainless Steel
Vent TypeDirect Vent
Vent Diameter2" or 3"

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