{"title":"Navien","description":"\u003cp\u003eEvery Navien product we stock. Electro Yard is an independent retailer and is not affiliated with Navien.\u003c\/p\u003e\u003cp\u003eEvery order ships tracked and protected in transit. Free US delivery on every order, 30 days to change your mind, and your statutory rights on top of that.\u003c\/p\u003e","products":[{"product_id":"navien-npe-s2-series-199-mbh-indoor-outdoor-condensing-natural-9305452","title":"Navien NPE-S2 Series 199 MBH Indoor\/Outdoor Condensing Natural Gas Tankless Water Heater","description":"\u003cp\u003eIndoor and outdoor applications\u003c\/p\u003e\u003cp\u003eAdvanced multi-line control panel\u003c\/p\u003e\u003cp\u003eDesigned for use in residential and commercial applications\u003c\/p\u003e\u003cp\u003eBuilt-in HotButton control panel\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eIndoor and outdoor applications\u003c\/li\u003e\n\u003cli\u003eLP Gas conversion kit included\u003c\/li\u003e\n\u003cli\u003eAdvanced multi-line control panel\u003c\/li\u003e\n\u003cli\u003eLow nox emissions (20ppm)\u003c\/li\u003e\n\u003cli\u003eCommon vent up to 12 units\u003c\/li\u003e\n\u003cli\u003eField convertible gas system\u003c\/li\u003e\n\u003cli\u003eDesigned for use in residential and commercial applications\u003c\/li\u003e\n\u003cli\u003eCascading capable\u003c\/li\u003e\n\u003cli\u003eBuilt-in HotButton control panel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable class=\"product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e9305452\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e199 MBH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp class=\"product-disclosure\"\u003eElectro Yard is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":49434922025143,"sku":"9305452","price":450.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/Regenerate_image_for_Google_Merc_E2_80_A6_202608101453-1.jpg?v=1792450662"},{"product_id":"navien-nhw-ai-series-199-mbh-indoor-non-condensing-natural-gas-10245824","title":"Navien NHW-AI Series 199 MBH Indoor Non-Condensing Natural Gas Tankless Water Heater","description":"\u003cp\u003eResidential \u0026amp; commercial applications\u003c\/p\u003e\u003cp\u003eBuilt-in recirculation pump \u0026amp; buffer tank\u003c\/p\u003e\u003cp\u003eNaviTech stainless steel heat exchanger and burner\u003c\/p\u003e\u003cp\u003eInterior unit for indoor installations\u003c\/p\u003e\u003cp\u003eNaviVent 3\" x 5\" concentric venting\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStainless steel hex\u003c\/li\u003e\n\u003cli\u003eBuilt-in pump and buffer tank\u003c\/li\u003e\n\u003cli\u003eResidential \u0026amp; commercial applications\u003c\/li\u003e\n\u003cli\u003eBuilt-in recirculation pump \u0026amp; buffer tank\u003c\/li\u003e\n\u003cli\u003eNaviTech stainless steel heat exchanger and burner\u003c\/li\u003e\n\u003cli\u003eInterior unit for indoor installations\u003c\/li\u003e\n\u003cli\u003eNaviVent 3\" x 5\" concentric venting\u003c\/li\u003e\n\u003cli\u003eAvailable in NG or LP\u003c\/li\u003e\n\u003cli\u003eCascading capable\u003c\/li\u003e\n\u003cli\u003eLow NOx emissions (20 ppm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable class=\"product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e10245824\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e199 MBH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp class=\"product-disclosure\"\u003eElectro Yard is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":49434923368631,"sku":"10245824","price":360.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/10245824-1.jpg?v=1792450664"},{"product_id":"navien-npn-u-series-199-mbh-indoor-outdoor-non-condensing-7957873","title":"Navien NPN-U Series 199 MBH Indoor\/Outdoor Non-Condensing Natural Gas Tankless Water Heater","description":"\u003cp\u003eDesigned for use in residential and commercial applications\u003c\/p\u003e\u003cp\u003eBuilt-in control panel allows adjustment of temperature settings and displays the operating status and error codes\u003c\/p\u003e\u003cp\u003eReady-link cascade compatible for up to 2 units for increased hot water productions\u003c\/p\u003e\u003cp\u003eCompatible with navilink Wi-Fi control\u003c\/p\u003e\u003cp\u003eFreeze protection maintains normal operation during freezing ambient temperatures down to -5° F\u003c\/p\u003e\u003cp\u003eApproved for installations on mobile\/manufactured homes\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eDesigned for use in residential and commercial applications\u003c\/li\u003e\n\u003cli\u003eBuilt-in control panel allows adjustment of temperature settings and displays the operating status and error codes\u003c\/li\u003e\n\u003cli\u003eReady-link cascade compatible for up to 2 units for increased hot water productions\u003c\/li\u003e\n\u003cli\u003eCompatible with navilink Wi-Fi control\u003c\/li\u003e\n\u003cli\u003eFreeze protection maintains normal operation during freezing ambient temperatures down to -5° F\u003c\/li\u003e\n\u003cli\u003eApproved for installations on mobile\/manufactured homes\u003c\/li\u003e\n\u003cli\u003eCascading capable\u003c\/li\u003e\n\u003cli\u003eLow nox emissions\u003c\/li\u003e\n\u003cli\u003eAvailable in NG or LP\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable class=\"product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e7957873\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e199 MBH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp class=\"product-disclosure\"\u003eElectro Yard is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":49434923401399,"sku":"7957873","price":360.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/7957873-1.jpg?v=1792450666"},{"product_id":"navien-nhw-ae-series-199-mbh-outdoor-non-condensing-natural-10245820","title":"Navien NHW-AE Series 199 MBH Outdoor Non-Condensing Natural Gas Tankless Water Heater","description":"\u003cp\u003eResidential \u0026amp; commercial applications\u003c\/p\u003e\u003cp\u003eBuilt-in recirculation pump \u0026amp; buffer tank\u003c\/p\u003e\u003cp\u003eNaviTech stainless steel heat exchanger and burner\u003c\/p\u003e\u003cp\u003eExterior unit for outdoor installations\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStainless steel hex\u003c\/li\u003e\n\u003cli\u003eBuilt-in pump and buffer tank\u003c\/li\u003e\n\u003cli\u003eResidential \u0026amp; commercial applications\u003c\/li\u003e\n\u003cli\u003eBuilt-in recirculation pump \u0026amp; buffer tank\u003c\/li\u003e\n\u003cli\u003eNaviTech stainless steel heat exchanger and burner\u003c\/li\u003e\n\u003cli\u003eExterior unit for outdoor installations\u003c\/li\u003e\n\u003cli\u003eAvailable in NG or LP\u003c\/li\u003e\n\u003cli\u003eCascading capable\u003c\/li\u003e\n\u003cli\u003eLow NOx emissions (20 ppm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable class=\"product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e10245820\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e199 MBH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp class=\"product-disclosure\"\u003eElectro Yard is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":49434923434167,"sku":"10245820","price":360.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/10245820-1.jpg?v=1792450669"},{"product_id":"navien-nhw-ae-series-199-mbh-outdoor-non-condensing-propane-10245818","title":"Navien NHW-AE Series 199 MBH Outdoor Non-Condensing Propane Gas Tankless Water Heater","description":"\u003cp\u003eResidential \u0026amp; commercial applications\u003c\/p\u003e\u003cp\u003eBuilt-in recirculation pump \u0026amp; buffer tank\u003c\/p\u003e\u003cp\u003eNaviTech stainless steel heat exchanger and burner\u003c\/p\u003e\u003cp\u003eExterior unit for outdoor installations\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStainless steel hex\u003c\/li\u003e\n\u003cli\u003eBuilt-in pump and buffer tank\u003c\/li\u003e\n\u003cli\u003eResidential \u0026amp; commercial applications\u003c\/li\u003e\n\u003cli\u003eBuilt-in recirculation pump \u0026amp; buffer tank\u003c\/li\u003e\n\u003cli\u003eNaviTech stainless steel heat exchanger and burner\u003c\/li\u003e\n\u003cli\u003eExterior unit for outdoor installations\u003c\/li\u003e\n\u003cli\u003eAvailable in NG or LP\u003c\/li\u003e\n\u003cli\u003eCascading capable\u003c\/li\u003e\n\u003cli\u003eLow NOx emissions (20 ppm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable class=\"product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e10245818\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e199 MBH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003ePropane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp class=\"product-disclosure\"\u003eElectro Yard is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":49434924777655,"sku":"10245818","price":360.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/10245818-1.jpg?v=1792450672"},{"product_id":"navien-npn-e-series-199-mbh-outdoor-non-condensing-propane-gas-8005045","title":"Navien NPN-E Series 199 MBH Outdoor Non-Condensing Propane Gas Tankless Water Heater","description":"\u003cp\u003eDesigned for use in residential and commercial applications\u003c\/p\u003e\u003cp\u003eBuilt-in control panel allows adjustment of temperature settings and displays the operating status and error codes\u003c\/p\u003e\u003cp\u003eReady-link cascade compatible for up to 2 units for increased hot water productions\u003c\/p\u003e\u003cp\u003eCompatible with navilink Wi-Fi control\u003c\/p\u003e\u003cp\u003eFreeze protection maintains normal operation during freezing ambient temperatures down to -5° F\u003c\/p\u003e\u003cp\u003eApproved for installations on mobile\/manufactured homes\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eDesigned for use in residential and commercial applications\u003c\/li\u003e\n\u003cli\u003eBuilt-in control panel allows adjustment of temperature settings and displays the operating status and error codes\u003c\/li\u003e\n\u003cli\u003eReady-link cascade compatible for up to 2 units for increased hot water productions\u003c\/li\u003e\n\u003cli\u003eCompatible with navilink Wi-Fi control\u003c\/li\u003e\n\u003cli\u003eFreeze protection maintains normal operation during freezing ambient temperatures down to -5° F\u003c\/li\u003e\n\u003cli\u003eApproved for installations on mobile\/manufactured homes\u003c\/li\u003e\n\u003cli\u003eCascading capable\u003c\/li\u003e\n\u003cli\u003eLow nox emissions\u003c\/li\u003e\n\u003cli\u003eAvailable in NG or LP\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable class=\"product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e8005045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTankless Water Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e199 MBH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003ePropane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp class=\"product-disclosure\"\u003eElectro Yard is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":49434927431863,"sku":"8005045","price":450.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/8005045-1.jpg?v=1792450675"},{"product_id":"navien-nfc-h-series-175k-btu-high-efficiency-condensing-combi-boiler-151-dhw","title":"Navien NFC-H Series 175K BTU – High Efficiency – Condensing Combi-Boiler – 15:1 DHW","description":"\u003cp\u003eThe Navien NFC-H Series 175K BTU condensing combi-boiler pairs hydronic space heating with on-demand domestic hot water at 5.4 GPM and a 15:1 DHW turndown ratio. The fire tube heat exchanger and 4.5 gallon water volume smooth out temperature swings in radiant floor and baseboard systems, and the burner modulates deep enough to keep the unit running steadily on mild days rather than short-cycling. At 95% AFUE with direct-vent sealed combustion, it vents through a sidewall in PVC, CPVC or polypropylene and needs no chimney. The boiler runs on natural gas or propane, mounts on the wall in a 33-1\/2 in. tall by 17-3\/10 in. deep cabinet, and is ENERGY STAR qualified and suitable for residential and light commercial work. Installation must be performed by a licensed gas heating contractor.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":57891580608695,"sku":null,"price":274.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/h_fe78a16-1-scaled_d775ece8-1b87-4ed1-b334-28808631fe98.jpg?v=1792942402"},{"product_id":"navien-nfb-h-series-199k-btu-high-capacity-condensing-fire-tube-boiler-95","title":"Navien NFB-H Series 199K BTU – High Capacity – Condensing Fire Tube Boiler – 95%","description":"\u003cp\u003e2\" up to 60 ft and 3\" up to 150, PVC, CPVC, PP, SS\u003c\/p\u003e \u003cp\u003eCommon venting up to 8 boilers and cascading up to 16 boilers\u003c\/p\u003e \u003cp\u003ePatented SS Firetube Heat Exchanger w\/non-metallic condensate dish\u003c\/p\u003e \u003cp\u003eBuilt-in 3 zone valves and 3 zone pumps controls\u003c\/p\u003e \u003cp\u003e10:1 Turndown Ratio\u003c\/p\u003e \u003cp\u003e15 yr HX, 5 yr parts, 1 yr labor residential warranty\u003c\/p\u003e \u003cp\u003e10 yr HX, 3 yr parts, 1 yr labor commercial warranty\u003c\/p\u003e \u003cp\u003eDirect venting (2 pipes) and non-direct venting (1 pipe)\u003c\/p\u003e \u003cp\u003eApproved for high elevation up to 10,100 ft.\u003c\/p\u003e \u003cp\u003eGlycol up to 50%\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":57891580870839,"sku":null,"price":239.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/9305459-1_e1b048e8-61d0-4a3a-b0b8-15f362603aec.jpg?v=1792942417"},{"product_id":"navien-nhb-h-series-55-mbh-high-efficiency-condensing-heating-boiler","title":"Navien NHB-H Series 55 MBH – High Efficiency Condensing – Heating Boiler","description":"\u003cp\u003eThe Navien NHB-H Series 55 MBH is a compact condensing heating boiler for homes and small commercial spaces with modest heat loss, such as additions, apartments, garages and well-insulated bungalows. Rated at 55,000 BTU\/h and 95% AFUE, it modulates deeply so it can match a small load without short-cycling, which is exactly where oversized boilers waste fuel. The low-NOx burner meets strict emissions requirements, and direct-vent sealed combustion allows PVC or polypropylene venting through a sidewall with no chimney. It is heating-only, so it pairs with an indirect tank when domestic hot water is needed, and it runs on natural gas or propane. The 24 in. by 24 in. cabinet mounts indoors on the wall and operates on standard 120V power. ENERGY STAR qualified; installation by a licensed gas heating contractor is required.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":57891582050487,"sku":null,"price":239.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/h_feceb71-1_c27494de-419d-458d-9c7d-b84a261e9646.jpg?v=1792942466"},{"product_id":"navien-ncb-h-series-high-efficiency-condensing-combi-gas-boiler-130-mbh-151-dhw","title":"Navien NCB-H Series High Efficiency – Condensing – Combi Gas Boiler – 130 MBH – 15:1 DHW","description":"\u003cp\u003eThe Navien NCB-H Series condensing combi gas boiler puts 130 MBH of heating capacity and up to 10.4 GPM of domestic hot water into one wall-hung cabinet, with a 15:1 turndown ratio on the DHW side. That wide modulation range is what lets it hold a steady shower temperature at low draw instead of swinging hot and cold, and it keeps the burner running at part load through most of the heating season at 95% AFUE. A stainless steel heat exchanger handles the acidic condensate that comes with condensing operation, and direct-vent sealed combustion allows PVC or polypropylene venting through a sidewall, so no chimney is needed. Runs on natural gas or propane, mounts on the wall in a 12-4\/5 in. deep cabinet, and operates on standard 120V power. ENERGY STAR qualified. Installation by a licensed gas heating contractor is required.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":57891582148791,"sku":null,"price":274.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/h_6270baf5-1_5c0ec7fd-13d5-49ab-a488-87bdecc73bef.jpg?v=1792942473"},{"product_id":"navien-nfb-c-series-399k-btu-high-efficiency-condensing-heating-boiler","title":"Navien NFB-C Series 399K BTU – High Efficiency – Condensing Heating Boiler","description":"\u003cp\u003eThe Navien NFB-399C is a wall-hung condensing heating boiler rated at 399,000 BTU\/h with 97.5% AFUE, built for light commercial and large residential hydronic systems. Its stainless steel fire tube heat exchanger and 9.6 gallon water capacity deliver stable supply temperatures for baseboard, panel radiator and radiant floor loops, while the direct-vent sealed combustion design allows flexible PVC, CPVC or polypropylene venting through a sidewall or roof. The unit runs on natural gas and converts to propane in the field, operates on standard 120V power and is ASME H stamped, CSA 4.9 certified and ENERGY STAR qualified. Cascade control lets multiple NFB-C boilers stage together for larger plants, and the compact 25-1\/10 in. wide by 32-4\/5 in. tall cabinet frees valuable mechanical room floor space. Professional installation by a licensed heating contractor is required.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":57891582574775,"sku":null,"price":308.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7158\/3415\/files\/h_8b0f82b-1_be50efa1-9828-401f-880f-646093c86915.jpg?v=1792942483"}],"url":"https:\/\/electroyardshop.myshopify.com\/collections\/navien-tools.oembed","provider":"Electro Yard","version":"1.0","type":"link"}