TRIANGLE TUBE Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)
TRIANGLE TUBE Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)
TRIANGLE TUBE Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)
TRIANGLE TUBE Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)

Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)

TRIANGLE TUBE
Brand: TRIANGLE TUBE
SKU: INSFS155C
Availability: In Stock
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$3,130.31
$3,130.31
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Description

Product Description

Triangle 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.

  • All 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
  • CTRLMAX control with 60-second EZ setup, Tsync Wi-Fi connectivity and pre-installed internal circulator pump; compatible with Caleffi 548 series separator
  • 3-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"

Product Highlights

Floor-mounted condensing combi boiler — 155,000 BTU max input, 95% AFUE, 3 gallon water volume, cascade-capable

Product Information

Standard Information

  • Brand: TRIANGLE TUBE
  • Manufacturer Part Number: INSFS155C
Technical Specifications
Brand
Triangle Tube
Model Number
INSFS155C
MPN
INSFS155C
Product Type
Combi boiler (floor mount)
Fuel
Configured for natural gas (propane conversion kit included)
Input BTU Min
19,375
Input BTU Max
155,000
AFUE
95%
Turndown Ratio
8:1
DOE Heating Capacity (MBH)
142
Net AHRI Rating (MBH)
123
Water Volume (gallons)
3
Supply/Return Connections
1" MNPT (1-1/4" FPT when using 548 separator)
Gas Connection
3/4" MNPT
Vent/Air Connections
3"
Max Vent Length (2in)
33' (396 in)
Max Vent Length (3in)
100'
Weight (lbs)
181
Dimensions (W x H x D)
22" x 41" x 22"
Control System
CTRLMAX with 60-second EZ Setup
Heat Exchanger
All stainless steel fire tube
Caleffi Separator Compatibility
Caleffi 548 Series separator with air elimination
Built-in Circulator Pump
Pre-installed internal primary circulator pump
Tsync Wi-Fi Connectivity
Tsync Wi-Fi
DHW Output GPM (70F Rise)
4
DHW Output GPM (75F Rise)
3.7
DHW Output GPM (80F Rise)
3.5
DHW Min Flow Rate (GPM)
0.5
DHW Max Operation Pressure (PSI)
150
CH Max Flow Temp (F/C)
185 F (85 C)
DHW Max Flow Temp (F/C)
150 F (65 C)
Cascade Capability
Up to 6 boilers
Vent Adapter
3-in-1 universal vent adapter (accepts PVC, polypropylene, stainless steel)
TRIANGLE TUBE Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)

TRIANGLE TUBE

Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)

$3,130.31
TRIANGLE TUBE Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)
TRIANGLE TUBE Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)

TRIANGLE TUBE

Triangle Tube INSFS155C Instinct Combi Boiler 155,000 BTU (Floor Mount)

$3,130.31

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