Lochinvar® KNIGHT™ WHN085 Water Boiler, 95 % AFUE, 85 MBtu/hr BTU, 2.5 gal Capacity, 120 VAC, 1 ph Phase

Lochinvar® KNIGHT™ Water Boiler, 120 VAC, 60 Hz Frequency, 1 ph, 95 % AFUE, 85 MBtu/hr BTU, 2.5 gal Capacity, 1/2 in Gas, 1 in Supply/Return Connection, Natural Gas, Propane Gas Fuel, Direct Exhaust Vent, Chimney/Breeching/Vent Size: 2 in, Direct Spark Ignition, Net BTU Rating: 69 MBtu/hr, Wall Mounting, Dimensions: 33-1/4 in H x 18-1/2 in W x 16 in D

The Knight wall mount, engineered with Lochinvar's exclusive Smart System control and an array of other innovative features is far ahead of any heating boiler in its class. It promises and delivers ultimate ease of installation and maintenance. With up to 99% efficiency, low-NOx emissions and a fully modulating burner, it is the best "green choice" for today's environmentally focused market.

• 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
• 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, 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, hrs running, 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 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

Specifications