Description
NHB-H Series premium features and advantages:
A - Venting options include 2" venting up to 65' and 3” venting up to 150' (inclusive of schedule 40 PVC). Enhanced safety with the Vent Installation Detector (VID) feature.
B - The condensing technology utilized in the dual stainless steel heat exchangers conserves energy and diminishes greenhouse gas emissions.
C - Integrated control for boiler pump, accommodating 3 zone valves, 3 zone pumps, or 2 zone pumps along with an indirect pump.
D - Enhanced user interface with a Setup Wizard facilitated by a backlit panel, click-wheel control, and user-friendly text.
E - Equipped with a negative pressure regulating gas valve, which, combined with the dual venturi, ensures consistent control of the air/gas ratio. Negative regulation mitigates issues in low-gas pressure systems.
- Field gas convertibility feature, with conversion kits provided for natural gas high altitude (5,400–10,100 ft.) and liquid propane (up to 10,100 ft.).