Thank you for visiting Bartle & Gibson. If you encounter any issues or have feedback to share, please email us at [email protected]. Your input is greatly appreciated!
content loaded
KNIGHT WALL HUNG 399000BTU NG STNLSS BOILER LOCHINVAR WHN399
MFR Part #: WHN399
SKU #: 1094086
Brand: Lochinvar®
UPC: 400006264497
Lochinvar® KNIGHT™ WHN Series WHN399 Water Boiler, 94.4% Thermal AFUE, 6.5 gal Capacity, 120 VAC, 1 ph Phase
15 Year Limited
AHRI Certified, ASME Approved, CSA Certified, DOE Certified, IBR, Energy Star Certified
Product Details
Attributes
Features
Resources
Lochinvar® KNIGHT™ Water Boiler, WHN Series, 120 VAC, 2 A, 60 Hz Frequency, 1 ph, 94.4% Thermal AFUE, 80 to 400 MBtu/hr Input, 380 MBtu/hr Heating BTU, 6.5 gal Capacity, 3/4 in Gas, 1-1/2 in Water Connect, 4 in Air Inlet Connection, Natural Gas Fuel, Horizontal, Vertical Vent, Chimney/Breeching/Vent Size: 4 in, Direct Spark Ignition, Net BTU Rating: 323 MBtu/hr, Wall Mounting, Dimensions: 35-1/2 in H x 25 in W x 21-3/4 in D
Amperage Rating:2 A
Chimney/Breeching/Vent Size:4 in
Dimensions:35-1/2 in H x 25 in W x 21-3/4 in D
Frequency Rating:60 Hz
Fuel Type:Natural Gas
Ignition Type:Direct Spark
Mounting Type:Wall
Phase:1 ph
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 - multiple size boiler cascade, lead lag, efficiency optimization and front end loading capability with copper fin II
- Outdoor reset control with outdoor air sensor, programmable for 3-reset temperature inputs
- Programmable system efficiency optimizers - night setback, anti-cycling, outdoor air reset curve, ramp delay, boost temperature and time
- 3 pump control - system pump with parameter for continuous operation, 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, 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 5:1 turndown, low-NOx operation, field convertible from natural to LP gas
- 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, wall-mount bracket, zero clearances to combustible materials
- 12 years limited warranty
Product Details
Lochinvar® KNIGHT™ Water Boiler, WHN Series, 120 VAC, 2 A, 60 Hz Frequency, 1 ph, 94.4% Thermal AFUE, 80 to 400 MBtu/hr Input, 380 MBtu/hr Heating BTU, 6.5 gal Capacity, 3/4 in Gas, 1-1/2 in Water Connect, 4 in Air Inlet Connection, Natural Gas Fuel, Horizontal, Vertical Vent, Chimney/Breeching/Vent Size: 4 in, Direct Spark Ignition, Net BTU Rating: 323 MBtu/hr, Wall Mounting, Dimensions: 35-1/2 in H x 25 in W x 21-3/4 in D
Attributes
Amperage Rating: 2 A
Chimney/Breeching/Vent Size: 4 in
Dimensions: 35-1/2 in H x 25 in W x 21-3/4 in D
Frequency Rating: 60 Hz
Fuel Type: Natural Gas
Ignition Type: Direct Spark
Mounting Type: Wall
Phase: 1 ph
Voltage Rating: 120 VAC
Features
- 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 - multiple size boiler cascade, lead lag, efficiency optimization and front end loading capability with copper fin II
- Outdoor reset control with outdoor air sensor, programmable for 3-reset temperature inputs
- Programmable system efficiency optimizers - night setback, anti-cycling, outdoor air reset curve, ramp delay, boost temperature and time
- 3 pump control - system pump with parameter for continuous operation, 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, 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 5:1 turndown, low-NOx operation, field convertible from natural to LP gas
- 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, wall-mount bracket, zero clearances to combustible materials
- 12 years limited warranty