Contact 1-800-314-3578
Lochinvar® Knight Gas Fired Water Boiler, Series: WHN, 120 VAC, 60 Hz, 1 -Phase, 95 % AFUE, 11 -110 MBH Input, 102 MBH Heating BTU, 2.3 gal Capacity, 1/2 in Gas, 1 in Water Connect, 3 in Air Inlet Connection, Natural Gas Fuel, Horizontal or Vertical Vent, 3 in Chimney/Breeching/Vent Size, Direct Spark Ignition, 89 MBH Net BTU Rating, Wall Mounting, 18-1/2 in W x 33-1/4 in H x 19 in D
| AFUE Rating | : | 95 % |
| BTU Rating | : | 11 -110 MBH Input, 102 MBH Heating |
| Capacity | : | 2.3 gal |
| Chimney/Breeching/Vent Size | : | 3 in |
| Connection Type | : | 1/2 in Gas, 1 in Water Connect, 3 in Air Inlet |
| Dimensions | : | 18-1/2 in W x 33-1/4 in H x 19 in D |
| Frequency Rating | : | 60 Hz |
| Fuel Type | : | Natural Gas |
| Ignition Type | : | Direct Spark |
| Mounting Type | : | Wall |
| Net BTU Rating | : | 89 MBH |
| Phase | : | 1 |
| Vent Type | : | Horizontal or Vertical |
| Voltage Rating | : | 120 VAC |
- Smart system digital operating control, multi-colored graphic LCD display with navigation dial and soft key
- 3-boiler set point temperature inputs plus domestic hot water prioritization
- Built-in cascading sequencer for upto 8-boilers with cascade redundancy- multiple size boiler cascade, lead lag, efficiency optimization and front end loading capability
- Outdoor reset control with outdoor air sensor, programmable for 3-reset temperature inputs
- Programmable system efficiency optimizers - SH night back, DHW setback, anti-cycling, outdoor air reset curve, ramp delay, boost temperature and time
- 4 pump control - system pump with parameter for continuous operation, domestic hot water pump, domestic hot water recirculation, domestic hot water pump
- Domestic hot water prioritization - DHW tank piped with priority in the boiler loop, DHW tank piped as a zone in the system with the pumps controlled by the smart system, DHW modulation limiting
- Building management system integration - 0 - 10 VDC input to control modulation or set point, 0 - 10 VDC modulation rate output, 0 - 10 VDC input to enable/disable call for heat
- Access to BMS settings through graphic LCD display
- High-voltage terminal strip are 3-sets of pump contact
- Low voltage terminal strip - 24 VAC device relay, proving switch contacts, flow switch contacts, alarm on any failure contacts, run-time contacts, DHW thermostat contacts, three-space heat thermostat contacts, system sensor contacts, DHW tank sensor contacts, outdoor air sensor contacts, cascade contacts
- 0 - 10 VDC BMS external control contact, 0 - 10 VDC boiler rate output contacts, 0 - 10 VDC variable speed system pump signal input, 0 - 10 VDC signal to control variable speed boiler pump, Modbus contacts
- Time clock
- Data logging - hrs running, space heating, domestic hot water, ignition attempts, last 10-lockouts
- Maintenance reminder - custom maintenance reminder with contractor contact information and installer ability to de-activate service reminder
- Low water flow safety control and indication, password security and customizable freeze protection parameters
- Modulating burner with 10:1 turndown, low NOx operation
- ASME stainless steel heat exchanger, 30 lb/sq-in ASME pressure relief valve
- Smart system control, condensate trap, automatic reset high limit, adjustable high limit with manual reset, boiler circulating pump, zero clearances to combustible materials
- 12 years limited warranty, five-years warranty on parts
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