Triangle Tube INS199C Instinct Combi Boiler

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Triangle tube's INS199C Instinct Combi boiler is an all stainless steel fire tube heat exchanger which provides 5+ GPM hot water while fully condensing in DHW mode. This is an industry-leading performance.


Features of Instinct 199 Combi Boiler

  • Full modulation with a turndown ratio up to 8:1
  • 3 in 1 Universal Vent Adapter
  • Efficiency Rating of 95%
  • Industry-Leading Performance with 5+ GPM Hot Water while Fully Condensing
  • CTRLMAX Control System with 60 Second Set-up
  • Natural Gas or Propane
  • Lightweight construction for wall mounting
  • Approved for zero clearance to combustibles
  • Secondary heat exchanger for endless hot water



Approvals of INS199C Combi Solo Boiler

  • 95% AFUE Efficiency
  • ENERGY STAR Qualified
  • ANSI Z21.13 and CSA 4.9 Boiler Standards Compliance
  • ASME Boiler Certification – ASME “H” Stamp
  • SCAQMD 2012 Low NOx Certification



Performance Specifications of INS199C Instinct Solo Boiler:

FuelNatural / Propane

Input Modulation MBH: 24.875 – 199
AFUE Rating95% 
DOE Heating Capacity MBH: 185
Net AHRI Rating MBH: 161
Water Volume Gal.: 4



Domestic Hot Water Performance/Specifications of INS199C Instinct Combi:

DHW Minimum Flow Rate (GPM)0.5
DHW Output GPM (70°F rise): 5.3
DHW Output GPM (80°F rise): 4.6
Domestic Connections3/4”



Connections/ Dimension INS199C Instinct Solo Boiler

Supply / Return Connections1”
Gas Connection3/4” 
Vent & Air Connections3”
Dimensions: 21 3/4" x 16 ¾” x 33”
Weight (Empty): 132 Lbs
Electrical Requirements120VAC 60Hz 15A Full Load




Watch how Triangle Tube's High-Efficiency boiler is produced with a "No-Fault Forward"



Documents and guides: 


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Disclaimer: Must be installed by a licensed contractor or warranty is void.


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