{"product_id":"triangle-tube-insfs155c-instinct-combi-boiler-155-000-btu-floor-mount","title":"Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eTriangle Tube INSFS155C is an Instinct combi floor-mount condensing boiler that provides space heating and domestic hot water. The unit features an all stainless steel fire tube heat exchanger, 19,375–155,000 BTU input range, 95% AFUE, 8:1 turndown, and a 3 gallon internal water volume. It includes a 3-in-1 vent adapter, propane conversion kit, CTRLMAX control with 60-second EZ setup, and supports cascading up to six boilers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAll stainless steel fire tube heat exchanger; 19,375–155,000 BTU input, 95% AFUE, 8:1 turndown; DOE heating capacity 142 MBH, Net AHRI 123 MBH\u003c\/li\u003e\n  \u003cli\u003eCTRLMAX control with 60-second EZ setup, Tsync Wi-Fi connectivity and pre-installed internal circulator pump; compatible with Caleffi 548 series separator\u003c\/li\u003e\n  \u003cli\u003e3-in-1 universal vent adapter (accepts PVC, polypropylene, stainless steel), propane conversion kit included; supply\/return 1\" MNPT, gas 3\/4\" MNPT, vent\/air 3\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eFloor-mounted condensing combi boiler — 155,000 BTU max input, 95% AFUE, 3 gallon water volume, cascade-capable\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TRIANGLE TUBE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: INSFS155C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Triangle Tube\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number\u003c\/strong\u003e: INSFS155C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: INSFS155C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Combi boiler (floor mount)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel\u003c\/strong\u003e: Configured for natural gas (propane conversion kit included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput BTU Min\u003c\/strong\u003e: 19,375\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput BTU Max\u003c\/strong\u003e: 155,000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAFUE\u003c\/strong\u003e: 95%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurndown Ratio\u003c\/strong\u003e: 8:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDOE Heating Capacity (MBH)\u003c\/strong\u003e: 142\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet AHRI Rating (MBH)\u003c\/strong\u003e: 123\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Volume (gallons)\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply\/Return Connections\u003c\/strong\u003e: 1\" MNPT (1-1\/4\" FPT when using 548 separator)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Connection\u003c\/strong\u003e: 3\/4\" MNPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVent\/Air Connections\u003c\/strong\u003e: 3\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Vent Length (2in)\u003c\/strong\u003e: 33' (396 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Vent Length (3in)\u003c\/strong\u003e: 100'\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight (lbs)\u003c\/strong\u003e: 181\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e: 22\" x 41\" x 22\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl System\u003c\/strong\u003e: CTRLMAX with 60-second EZ Setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Exchanger\u003c\/strong\u003e: All stainless steel fire tube\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaleffi Separator Compatibility\u003c\/strong\u003e: Caleffi 548 Series separator with air elimination\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Circulator Pump\u003c\/strong\u003e: Pre-installed internal primary circulator pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTsync Wi-Fi Connectivity\u003c\/strong\u003e: Tsync Wi-Fi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Output GPM (70F Rise)\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Output GPM (75F Rise)\u003c\/strong\u003e: 3.7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Output GPM (80F Rise)\u003c\/strong\u003e: 3.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Min Flow Rate (GPM)\u003c\/strong\u003e: 0.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Max Operation Pressure (PSI)\u003c\/strong\u003e: 150\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH Max Flow Temp (F\/C)\u003c\/strong\u003e: 185 F (85 C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Max Flow Temp (F\/C)\u003c\/strong\u003e: 150 F (65 C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCascade Capability\u003c\/strong\u003e: Up to 6 boilers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVent Adapter\u003c\/strong\u003e: 3-in-1 universal vent adapter (accepts PVC, polypropylene, stainless steel)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"TRIANGLE TUBE","offers":[{"title":"Default Title","offer_id":51506510102834,"sku":"INSFS155C","price":4019.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/TRTB-INSFS110S-INSFS155C-INSFS155S-INSFS199C.jpg?v=1784924339","url":"https:\/\/voomisupply.com\/products\/triangle-tube-insfs155c-instinct-combi-boiler-155-000-btu-floor-mount","provider":"Voomi Supply","version":"1.0","type":"link"}