Triangle Tube
High Efficiency Boilers
For Today’s Comfort + Tomorrow’s Changing Environment
Excellence. Ingenuity. Efficiency. Three distinct qualities that have made Triangle Tube an industry leader. For over 60 years, we’ve provided innovative ideas to the North American heating and hot water industry; for residential, commercial and industrial applications. We proudly offer a complete line of stainless steel hot water heating products. Each of our carefully designed, peak performing products reflects an abiding concern for sustainability and low ownership cost.
Condensing Combi Boilers
Instinct combi
The Instinct features an all stainless steel fire tube heat exchanger. Combi sizes are available in 155 and 199 MBH. 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 stainless steel. The large plate heat exchanger provides industry leading performance. 5+ GPM hot water while fully condensing in DHW mode.
Key Features
- 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 5+ GPM Hot Water while Fully Condensing
- 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
Prestige excellence
The Prestige boiler features the uniquely designed stainless steel heat exchanger and boasts 95% efficiency across the entire range. The Prestige has the capability to modulate with a turndown ratio of up to 5.5:1. This modulation means the boiler will alter its firing rate to meet the current demand, causing less cyclic behavior and resulting in lower operating costs. The CTRLMax Control makes configuration quick and easy with setup in 60 seconds or less for standard installations. For unique installations, the 4 circulator outputs are fully configurable for endless customization.
Key Features
- 439 Stainless Steel Fire Tube Heat Exchanger
- Turndown ratios up to 5.5:1
- South Coast Air Quality Management District Listed
- NEW Market-leading Warranty Program
- Efficiency Rating of 95%
- ASME Certified
- Energy Star Listed
- Natural Gas or Propane
- Fully Modulating
- Quiet Operation
- 60 Second Set-up
- Integrated Cascade Function for up to 6 Boilers
- Two Reset Curves / Set Points
- Multiple Zone Control
Challenger combi
The Challenger Combination Boiler features a unique “Two in One” heat exchanger that provides both space heating and domestic hot water. The Challenger is not only energy efficient with an AFUE of 95%, but is efficient on space as well. As a combination boiler, the Challenger eliminates the need for a separate domestic hot water tank. The unique heat exchanger in the Challenger heats domestic hot water directly, allowing the boiler to condense in the DHW mode and eliminating a separate heat exchanger and three-way valve.
Key Features
- Energy Efficiency with 94% AFUE
- Condensing efficiency in both Space Heating and DHW modes
- Low NOx – meets SCAQMD requirements
- Dual core heat exchanger with glycol compatible copper waterways
- Domestic hot water produced directly in the primary heat exchanger for lower maintenance
- Advanced control with near 4:1 modulation and standard outdoor reset
- Concentric venting standard on initial production (two-pipe PVC, CPVC, AL29-4C available in Q2, 2011)
- Compact size for closet installation
- Whisper-quiet operation
Condensing Solo Boilers
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 Smart 316 indirect tank 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.
Key Features
- 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 a Smart 316 Indirect Water Heater
- 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
Prestige Solo
The flagship line of premium condensing firetube gas solo boiler is available in several sizes including 80, 110, 155, 250, 299 and 399. The Prestige features uniquely designed stainless steel heat exchanger and boasts 95% efficiency across the entire range. The Prestige has the capability to modulate with a turndown ratio of up to 5.5:1. This modulation means the boiler will alter its firing rate to meet the current demand, causing less cyclic behavior and resulting in lower operating costs. The CTRLMax Control makes configuration quick and easy with setup in 60 seconds or less for standard installations. For unique installations, the 4 circulator outputs are fully configurable for endless customization.
Key Features
- NEW - Market-leading Warranty Program with up to 6-Years Parts, 3-Years Labor Allowance and 10-year Primary Heat Exchanger Warranty
- 439 Stainless Steel Fire Tube Heat Exchanger
- Turndown ratios up to 5.5:1
- South Coast Air Quality Management District Listed
- Efficiency Rating of 95%
- ASME Certified
- Energy Star Listed
- Natural Gas or Propane
- 60 Second Set-up
- Integrated Cascade Function for up to 6 Boilers
- Two Reset Curves / Set Points
- Multiple Zone Control
- Multiple Circulator Control
Challenger Solo
The Challenger Solo Boiler features a unique insert cast heat exchanger that provides the light weight and efficient heat transfer of aluminum with the durability of copper waterways. It is not only energy efficient with an AFUE of up to 94%, but space efficient as well. The Challenger Solo boiler can provide both heat and hot water when paired with an indirect water heater such as the Smart product line.
Key Features
- Energy efficient with up to 92.3% AFUE
- ASME Stamped Heat Exchanger
- Low NOx- 2012 SCAQMD certified
- Indirect Water Heater Compatible
- Dual material heat exchanger with glycol compatible copper waterways
- Advanced control with near 4:1 modulation and standard outdoor reset
- Twin pipe (PVC, CPVC, PP, or AL29-4C) or Concentric venting
- Compact size for closet installation
- Whisper-quiet operation
- EZ-Install piping bracket
- Outdoor Reset Control