{"product_id":"locwhn400","title":"Lochinvar® KNIGHT™ WHN Series WHN400 Gas Fired Water Boiler, 94.4% Thermal AFUE, 6.5 gal Capacity, 120 VAC, 1 ph Phase","description":"\u003cp\u003eLochinvar® KNIGHT™ Gas Fired Water Boiler, WHN Series, 120 VAC, 60 Hz Frequency, 1 ph, 94.4% Thermal AFUE, 80 to 399 MBtu\/hr Input, 377 MBtu\/hr Gross 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: 328 MBtu\/hr, Wall Mounting, Dimensions: 35-1\/2 in H x 25 in W x 21-3\/4 in D\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSmart system digital operating control, multi-colored graphic LCD display with navigation dial and soft key\u003c\/li\u003e\n\u003cli\u003e3-boiler set point temperature inputs plus domestic hot water prioritization\u003c\/li\u003e\n\u003cli\u003eBuilt-in cascading sequencer for upto 8-boilers with cascade redundancy- multiple size boiler cascade, lead lag, efficiency optimization and front end loading capability\u003c\/li\u003e\n\u003cli\u003eOutdoor reset control with outdoor air sensor, programmable for 3-reset temperature inputs\u003c\/li\u003e\n\u003cli\u003eProgrammable system efficiency optimizers - SH night back, DHW setback, anti-cycling, outdoor air reset curve, ramp delay, boost temperature and time\u003c\/li\u003e\n\u003cli\u003e4 pump control - system pump with parameter for continuous operation, domestic hot water pump, domestic hot water recirculation, domestic hot water pump\u003c\/li\u003e\n\u003cli\u003eDomestic 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\u003c\/li\u003e\n\u003cli\u003eBuilding 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\u003c\/li\u003e\n\u003cli\u003eAccess to BMS settings through graphic LCD display\u003c\/li\u003e\n\u003cli\u003eHigh-voltage terminal strip are 3-sets of pump contact\u003c\/li\u003e\n\u003cli\u003eLow 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\u003c\/li\u003e\n\u003cli\u003e0 - 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\u003c\/li\u003e\n\u003cli\u003eTime clock\u003c\/li\u003e\n\u003cli\u003eData logging - hrs running, space heating, domestic hot water, ignition attempts, last 10-lockouts\u003c\/li\u003e\n\u003cli\u003eMaintenance reminder - custom maintenance reminder with contractor contact information and installer ability to de-activate service reminder\u003c\/li\u003e\n\u003cli\u003eLow water flow safety control and indication, password security and customizable freeze protection parameters\u003c\/li\u003e\n\u003cli\u003eModulating burner with 5:1 turndown, low-NOx operation\u003c\/li\u003e\n\u003cli\u003eASME stainless steel heat exchanger, 30 lb\/sq-in ASME pressure relief valve\u003c\/li\u003e\n\u003cli\u003eSmart system control, condensate trap, automatic reset high limit, adjustable high limit with manual reset, boiler circulating pump, zero clearances to combustible materials\u003c\/li\u003e\n\u003cli\u003e12 years limited warranty, five-years warranty on parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgnition Type\u003c\/td\u003e\n\u003ctd\u003eDirect Spark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003e3\/4 in Gas, 1-1\/2 in Water Connect, 4 in Air Inlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eWall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAFUE Rating\u003c\/td\u003e\n\u003ctd\u003e94.4% Thermal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e35-1\/2 in H x 25 in W x 21-3\/4 in D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent Type\u003c\/td\u003e\n\u003ctd\u003eHorizontal, Vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eWHN Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChimney\/Breeching\/Vent Size\u003c\/td\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Rating\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet BTU Rating\u003c\/td\u003e\n\u003ctd\u003e328 MBtu\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003e1 ph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e6.5 gal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Rating\u003c\/td\u003e\n\u003ctd\u003e80 to 399 MBtu\/hr Input, 377 MBtu\/hr Gross Heating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Lochinvar®","offers":[{"title":"Default Title","offer_id":67952199041338,"sku":"LOCWHN400","price":16554.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/5238\/9827\/files\/Uni_Geary08082_5eda1213-b4bd-4171-b34c-8b4dd8157eb1.jpg?v=1794261310","url":"https:\/\/nwfsupply.com\/products\/locwhn400","provider":"NWF Supply","version":"1.0","type":"link"}