Navien NCB Series Gas Combi Boiler

• Super condensing efficiency
• Dual stainless steel heat exchangers
• SCH40, 2” PVC venting up to 60’
• ½” Gas pipe up to 24’
• Automatic water filling system
• integrated controls

Navien-NCB-Combi-Boiler-Brochure

Navien-CH-Application-Diagrams