Description
The Navien NHB-55H is an ultra-high efficiency condensing gas heating boiler rated up to 55,000 BTU/h input with a 95.0% AFUE, designed for wall-hung installation. It measures 17.3" W x 23.8" H x 12.8" D and weighs 73 lbs. Venting is forced draft direct vent (2" PVC venting up to 65', 3" up to 150'). Power supply is 120V AC, 60Hz.
- 8,000 – 55,000 BTU/h heating input, 95% AFUE
- Dual stainless steel condensing heat exchangers
- Built-in boiler pump control and zone control
- Indoor wall-hung; 17.3" W x 23.8" H x 12.8" D; 73 lbs
- ENERGY STAR certified
Installation by a qualified, licensed professional is required.
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