Triangle Tube INSFS155S Instinct - 155k BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent

Product Description

The Triangle Tube INSFS155S Instinct is a high-efficiency condensing boiler featuring a fire tube heat exchanger and a market-leading warranty program. The Instinct includes Triangle Tube's CTRLMax Control System for a 60-second setup and simple, plain text operation. It has a universal 3-in-1 vent adapter that directly accepts PVC, Polypropylene and stainless steel. Available in both solo and combi models.

• High-efficiency condensing boiler
• Features a fire tube heat exchanger
• CTRLMax Control System for a 60-second setup

Product Highlights

This Triangle Tube Instinct boiler is a perfect solution for highly efficient instant or indirect water heating. It features Tsync Wi-Fi Connectivity and a Caleffi 548 Series Separator.

Product Information

Standard Information

• Brand: TRIANGLE TUBE
• Manufacturer Part Number: INSFS155S
• Country of Origin: United States

Technical Specifications

• AFUE: 95 %
• Phase: 1
• Voltage: 120 Volts
• Boiler Return: 1 Inch
• Boiler Supply: 1 Inch
• Product Depth: 22 Inches
• Product Width: 22 Inches
• DOE Heating Capacity (BTU/Hr): 142000
• Product Height: 41 Inches
• Frequency: 60 Hz
• Medium: Hot Water
• Turndown Ratio: 8:1
• AHRI Certified: Yes
• ASME Certified: Yes
• Fuel Type: Liquid Propane / Natural Gas
• Vent Type: Direct Vent
• Low NOx Emissions: No
• Gas Connection Size: 3/4 Inch
• Mount Type: Floor
• Net I=B=R Capacity: 123000 BTU
• Flue Connection Size: 3 Inches
• Product Line: Instinct
• DOE Heating Capacity: 142000 BTU
• Energy Star Listed: Yes
• Assembly Type: Packaged
• Includes Pump: Yes
• DHW Production: No
• Maximum Input Capacity: 155000 BTU
• Minimum Input Capacity: 19375 BTU
• Combustion Type: Condensing
• Ultra Low NOx Emissions: No
• Maximum Altitude: 10000 Feet
• Minimum Altitude: 0 Feet
• Product Category: Boiler
• Gas Conversion Kit: Included
• Modulating/Staging: Modulating
• BTU Min Input: 19,375
• BTU Max Input: 155,000
• AFUE Rating: 95%
• DOE Heating Capacity MBH: 142
• Net AHRI Rating MBH: 123
• Water Volume Gal: 3
• Gas Connection: 3/4”
• Vent & Air Connections: 3”
• Model Number: INSFS155S
• Fuel: NG & LP
• AHRI Net Rating (MBH): 123
• DOE Heating Capacity (MBH): 142
• Water Volume (Gallons): 3
• Vent/Air Connections (in.): 3"
• Gas Connection (MNPT): 3/4"
• Supply/Return Connections (MNPT): 1"
• CH Max Flow Temp F (C): 185 (85)
• Integrated Cascade Function: up to 6
• Connection Type: NPT
• Input Capacity: 155,000 BTU/hr
• Connetion Size: 3/4 in
• Manufacturer: Triangle Tube
• Manufacturer #: INSFS155S
• Mounting Type: floor
• Series: Instinct Solo
• Type: High-Efficiency
• Product Type: Boiler
• Installation Type: Floor Standing
• Central Heat (CH) Max. Flow Temp. (°F/C): 185 / 85
• Connectivity: TSync WiFi
• Domestic Hot Water - DHW: No
• Input Capacity (Min. BTUs): 19375
• Input Capacity (Max. BTUs): 155000
• AFUE Efficiency %: 95
• DOE Heating Capacity (BTUs): 142000
• AHRI Net Rating (BTUs): 123000
• Gas Connection (in.): 3/4"
• Boiler Supply/Return (in.): 1"
• DHW Inlet/Outlet Connections (in.): NA
• DHW Output GPM (@70° rise): NA
• DHW Output GPM (@75° rise): NA
• DHW Output GPM (@80° rise): NA
• DHW Min. Flow Rate (GPM): NA
• DHW Max. Flow Temp (°F/C): NA
• DHW Max. Operating Pressure (PSI): NA
• Width (in.): 22
• Depth (in.): 22
• Height (in.): 41
• Heating System: Boiler
• Country of Origin: United States