Triangle Tube INSFS110S Instinct 110k BTU (Floor)

Product Description

Triangle Tube INSFS110S is a high-efficiency condensing hot water gas boiler with a 110,000 BTU maximum input and 102,000 BTU DOE heating capacity. It uses a stainless steel fire tube heat exchanger and provides modulating operation with an 8:1 turndown ratio. The unit ships as a floor-mounted packaged assembly with an internal circulator pump, CTRLMax control system, Tsync Wi‑Fi connectivity, Caleffi hydraulic air separator, and a 3-in-1 universal vent adapter.

• 95% AFUE condensing boiler with 110,000 BTU max input and 102,000 BTU DOE heating capacity; 8:1 turndown ratio.
• All stainless steel fire tube heat exchanger, factory-supplied hydraulic air separator (Caleffi 548 Series), and packaged internal circulator pump.
• CTRLMax control system with 60-second EZ setup and Tsync Wi‑Fi connectivity; includes 3-in-1 vent adapter accepting PVC, polypropylene, and stainless steel.

Product Highlights

110,000 BTU input, 95% AFUE, stainless steel fire tube heat exchanger, 8:1 turndown, CTRLMax controls with Tsync Wi‑Fi, Caleffi separator, 3-in-1 vent adapter.

Product Information

Standard Information

• Brand: TRIANGLE TUBE
• Manufacturer Part Number: INSFS110S