Instinct Solo

The Instinct features an all stainless steel fire tube heat exchanger. Solo sizes come in 110, 155, 199 MBH and can be cascaded up to six boilers. Instinct Solo boilers can be paired with our Ginius or Smart indirect tanks to provide an abundance of hot water. CTRLMAX Control System-EZ Setup allows for a quick :60 second setup. Easy troubleshooting in plain text, no codes. 3-in-1 Universal vent adapter directly accepts PVC, Polypropylene, and Stainless Steel. 

Warranty Info

At Triangle Tube, our goal is to deliver the highest quality products to customers throughout North America. As part of our continued commitment, we confidently introduce Triangle Tube’s new industry-leading Warranty Program. With reliability in mind, we are offering a Good – Better – Best Three Point Warranty Program. This program offers coverage up to 6-year parts and 3-year labor allowance and 10-year primary heat exchanger warranty for the Instinct. For details CLICK HERE.

Features and Benefits

  • NEW - Market-leading Warranty Program with up to 6-Years Parts, 3-Years Labor Allowance and 10-year Primary Heat Exchanger Warranty
  • Stainless Steel Fire Tube Heat Exchanger
  • Industry Leading Performance with Endless Hot Water when combined with Ginius or Smart Indirect Water Heaters
  • Turndown ratio up to 8:1
  • Efficiency Rating of 95%
  • CTRLMAX Control System with 60 Second Set-up
  • 3 in 1 Universal Vent Adapter
  • ASME Certified
  • Natural Gas or Propane

AHRI Certification

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Installation Manuals

User Manuals

Vent Manuals

Controls Manuals

Product Warranty

Marketing Documentation

Introducing the Instinct

Learn more about Triangle Tube's new high-efficiency condensing boiler, the Instinct.

Instinct No-Fault Forward Production

Watch and see how Triangle Tube's high-efficiency boiler is produced with a "No-Fault Forward" quality control.

Product Comparison

Model Fuel Input Modulation (mbh) Turndown AFUE DOE Heating Capacity (mbh) Net AHRI Rating (mbh)
Instinct 110 NG/LP 13 to 110 8 : 1 95% 102 89
Instinct 155 NG/LP 19 to 155 8 : 1 95% 142 123
Instinct 199 NG/LP 24 to 199 8 : 1 95% 184 159
Prestige 80 NG/LP 16 to 80 5 : 1 95% 74 64
Prestige 110 NG/LP 20 to 110 5.5 : 1 95% 102 89
Prestige 155 NG/LP 28 to 153 5.5 : 1 95% 142 123
Prestige 175 NG/LP 31 to 170 5.5 : 1 95% 157 137
Prestige 250 NG/LP 43 to 240 5.5 : 1 95% 222 193
Prestige 299 NG/LP 72 to 299 4.1 : 1 95% 278 242
Challenger 50s NG/LP 13.5 to 51 3.8 : 1 95% 46 40
Challenger 85s NG/LP 23 to 84 3.7 : 1 94% 75 65
Challenger 105s NG/LP 29 to 106 3.7 : 1 94% 94 82
Challenger 125Hs NG/LP 33 to 125 6.3 : 1 95% 111 97
Challenger 150s NG/LP 33 to 145 4.4 : 1 92.3% 129 112