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 offer a Peace of Mind Industry-Leading Three Point (Good / Better / Best) Warranty Program. This program offers coverage up to 6-year parts and 3-year labor allowance and 10-year primary heat exchanger warranty. For details CLICK HERE.
Industry Certifications
Features and Benefits
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Peace of Mind Industry-Leading Three Point (Good / Better / Best) Warranty Program
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Stainless Steel Fire Tube Heat Exchanger
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Industry Leading Performance with Endless Hot Water when combined with a Smart 316 Indirect Water Heater
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Turndown ratio up to 8:1
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Efficiency Rating of 95%
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CTRLMAX Control System with 60 Second Set-up
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3 in 1 Universal Vent Adapter
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ASME Certified
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Natural Gas or Propane
Installation/User Manuals
Instinct WHB Installation & Maintenance Manual
Instinct WHB Installation & Maintenance Manual - French
Instinct WHB Application Guide AA or no letter in Serial No. after S or C
Instinct WHB Application Guide AB in Serial No. after S or C; Software 0.36 / 0.60 or earlier
Instinct WHB Application Guide AB in Serial No. after S or C; Software 0.39 / 0.62 or later
Instinct WHB Application Guide AB in Serial No. after S or C; Software 0.40 or later
Instinct WHB & FSB User’s Information Manual
Instinct WHB & FSB User's Information Manual - French
Engineering Bulletins
Gas Valve Adjustment Instructions for Natural Gas & Propane
Instinct Solo DHW Setpoint Setting
Instinct Cascade Wiring
Instinct LP Venturi Update Kit
Instinct Generator Power Supply
Instinct Gas Valve Plug
Instinct Terminal Block
Instinct-Prestige Vent Termination
Instinct Torque Specification Table
Instinct WH and FSB Venting
Repair Manuals
Instinct Natural Gas to Propane Conversion Instructions
Instinct Propane to Natural Gas Conversion Instructions
Instinct Blower Replacement
Instinct Gas Valve Replacement
Instinct Venturi Replacement Kit
Instinct Circulator Replacement
Instinct Control & Display Module Replacement
Instinct Control Module Replacement
Instinct Display Module Replacement
Instinct Igniter Replacement
Instinct Temperature Sensor Replacement
Instinct Combustion Chamber Insulation Replacement
Instinct Burner Head Replacement
Instinct Hydroblock Replacement
Instinct Burner Mounting Plate Replacement
Instinct Venturi Interface Replacement Kit
Instinct LWCO Sensor Replacement
Instinct Heat Exchanger Replacement
Instinct Condensate Pan Replacement
Instinct LP Update Kit
Product Comparison
Model | Fuel | Input Modulation (mbh) | Turndown | AFUE | DOE Heating Capacity (mbh) | Net AHRI Rating (mbh) |
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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 |
Prestige 399 | NG/LP | 72 to 399 | 5.5 : 1 | 95.1%** | 379 | 330 |
*Domestic performance based on average water temperature of 108°F at mixing valve outlet and 50°F inlet
**Thermal Efficiency