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NHB-110 premium features and benefits
2″ venting up to 65′;
3” up to 150’ (including schedule 40 PVC).
The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses.
The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.
NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection.
Specifications
Item | NHB-110 | |
---|---|---|
Dimensions | 43.2cm W x 61.0cm H x 33.0cm D (17.0″ W x 24.0″ H x 13.0″ D) | |
Boiler weight | 36.3 kg (80 lbs) | |
Installation type | Indoor wall-hung | |
Venting type | Forced draft direct vent | |
Ignition | Electronic ignition | |
Natural gas supply pressure (from source) | 3.5 ” WC to 10.5 ” WC | |
Propane gas supply pressure (from source) | 8 ” WC to 13 ” WC | |
Natural gas manifold pressure | -0.1 ” WC | |
Propage gas manifold pressure | -0.09 ” WC | |
Connection sizes | Gas inlet | 3/4″ NPT (hembra) |
Power supply | Main supply | 120V AC, 60Hz |
Maximum power consumption | Less than 10A | |
Materials | Casing | Cold rolled carbon steel |
Heat exchangers | Primary and secondary heat exchangers: stainless steel | |
Venting | Exhaust | 2″ or 3″ PVC, CPVC, approved polypropylene (see installation manual for more details) 2″ or 3″ special gas vent type BH (Class III, A/B/C) |
Intake | 2″ or 3″ PVC, CPVC, polypropylene 2″ or 3″ special gas vent type BH (Class III, A/B/C) | |
Vent clearances | 0″ to combustibles | |
Safety Devices | Flame rod, APS, gas valve operation detector, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor |
Navien reserves the right to change specifications at any time without prior notice.
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