What are the dip switch settings for a navien ncb240-110h boiler
John Wit New Member Messages 1 Reaction score 0 Points 1 Location buffalo, NY Dec 31, 2021 #1 What are the dip switch settings for a navien ncb240-110h boiler
Fitter30 Well-Known Member Messages 5,521 Reaction score 1,114 Points 113 Location Peace valley missouri Dec 31, 2021 #2 https://www.navieninc.com/downloads/ncb-h-installation-and-operation-manual-en
