Navien 55K BTU Condensing Gas Boiler

As the leader in condensing technology, Navien has already reinvented the water heating industry with the award-winning NPE tankless water heaters and the NCB combi-boilers. The new NHB boiler series is the next in line of innovations from Navien. All NHB boilers have Navien’s advanced burner system, an industry-leading AFUE of 95% and turn down ratios up to 15:1.
Now available in four sizes NHB 55, NHB 80, NHB 110 and NHB 150.

Features

• Super condensing efficiency
• Dual stainless steel heat exchangers
• SCH40, 2" PVC venting up to 60'
• ½" Gas pipe up to 40'
• TDR up to 7:1
• Integrated controls
• Adjustable heat capacity.
• A timed hydronic supply water boost feature.
• Adjustable anti-cycle timer.
• Freeze protection.
• Pressure LWCO with manual reset.
• Adjustable minimum burner time setting.
• Adjustable turn down ratio timing.
• Outdoor reset and domestic hot water priority.
• Adjustable outdoor temperature reset curves.
• Field gas convertible

Consumer purchases through the internet or other e-commerce channels shall void Navien's warranty. As with all products we sell, all Navien products we sell are brand new, recently manufactured ("factory fresh"). We guarantee delivery in perfect condition to our customers.