Triangle Tube INS155C Instinct Combi Boiler 142000 BTU (155000 Input)

Product Description

Triangle Tube INS155C is an Instinct combi boiler that combines space heating and domestic hot water in a wall-mounted condensing unit. It delivers a DOE heating capacity of 142,000 BTU with a maximum input of 155,000 BTU and achieves 95% AFUE. The unit features an all stainless steel fire-tube heat exchanger with an 8:1 turndown ratio, provides over 5 GPM domestic hot water while fully condensing, and uses the CTRLMax control system for a 60-second setup.

• 95% AFUE condensing combi boiler with DOE heating capacity 142,000 BTU and maximum input 155,000 BTU
• Stainless steel fire-tube heat exchanger, 8:1 turndown ratio, modulating combustion, provides over 5 GPM domestic hot water while fully condensing
• CTRLMax control system with 60-second setup, universal 3-in-1 vent adapter (PVC, polypropylene, stainless steel), includes pump and gas conversion kit

Product Highlights

95% AFUE; 142,000 BTU DOE; 155,000 BTU max input; 8:1 turndown; >5 GPM DHW; stainless steel fire-tube heat exchanger

Product Information

Standard Information

• Brand: TRIANGLE TUBE
• Manufacturer Part Number: INS155C
• Country of Origin: United States

Technical Specifications

• Brand: Triangle Tube
• MPN: INS155C
• Product Type: Instinct combi boiler (condensing)
• Fuel Type: Natural Gas
• Vent Type: Direct Vent
• AFUE: 95%
• DOE Heating Capacity (BTU): 142000
• Maximum Input Capacity (BTU): 155000
• Minimum Input Capacity (BTU): 19375
• Net AHRI Capacity (BTU): 123000
• Turndown Ratio: 8:1
• Modulation: Modulating
• Heat Exchanger Material: Stainless steel (fire-tube)
• Domestic Hot Water Flow: Over 5 GPM while fully condensing
• Control System: CTRLMax (60-second setup, plain-text operation)
• Vent Adapter Compatibility: PVC, polypropylene, stainless steel (3-in-1 vent adapter)
• Includes Pump: Yes
• Includes Gas Conversion Kit: Yes
• Mounting Type: Wall-mounted
• Electrical Voltage: 120 Volts
• Electrical Frequency: 60 Hz
• Electrical Phase: Single-phase
• Dimensions (W x D x H): 21.75 x 16.5 x 33 inches
• Weight: 110 Pounds
• Cold Water Inlet: 3/4 inch
• Hot Water Outlet: 3/4 inch
• Supply / Return Connection: 1 inch
• Gas Connection Size: 3/4 inch
• Flue Connection Size: 3 inches
• DHW Production: Yes
• Maximum Altitude: 10000 Feet
• Minimum Altitude: 0 Feet
• Certifications: AHRI certified; CSA listed
• AHRI Reference Number: 204469774
• Heat Exchanger Warranty: 10 Years
• Parts Warranty: 2 Years