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Instinct Combi 155 142,000 BTU Output Direct Vent Hot Water Gas Boiler (NG/LP)
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MANUALS (5)
Replacement Parts
Product Highlights
Description
The Triangle Tube brand has been discontinued by the manufacturer as of 11/3/2025. Suggested replacement units will be available on our website and replacement parts will continue to be available as supplies last. If you'd like any further assistance, please contact our customer service team.
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.
Specs
| Vent Type: | Direct Vent |
|---|---|
| Gas Connection: | 3/4" |
| BTU Output: | 142000 |
| Features: | Condensing Direct Vent Wall Mounted |
| DOE Rating: | 142000 |
| Return Size: | 1" |
| BTU Input: | 155000 |
| Height (Inches): | 33" |
| Application: | Combi Heating/Hot Water |
| Width (Inches): | 24.7" |
| Product Type: | Boiler |
| System Type: | Hydronic (Water) |
| Efficiency: | 95% |
| IBR Rating: | 123000 |
| Supply Size: | 1" |
| Fuel Type: | Natural Gas |
Questions?
Excellence 110
Replacement Parts
SKU: INS155C
Brand: Triangle Tube
