Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for the installation.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.
Rebates:
This product qualifies for a federal tax rebate of up to $600. Federal Rebate click for more info
In addition to the federal rebate, you may also be eligible for rebates from your local utility company and state. Search your region and state in the link below for information about local rebate programs that may apply to you.
Triangle Tube Rebate Center
Note: Product Title reflects this boiler's IBR Net Output Rating
Boiler Features:
- 439 Stainless Steel Fire Tube Heat Exchanger
- ASME Stamped Heat Exchanger
- 95% AFUE
- Turndown ratios up to 5.5:1
- Low Pressure Drop with Proven Performance
- 2" to 4" Venting
- Multiple Venting Termination Options
- Low NOx - 2012 SCAQMD Certified
- 7 Models from 80 to 399 MBH
- 2 Year Control & Blower Warranty
- 10 Year Limited Heat Exchanger Warranty
- 5 & 10 Year Extended Warranty Options
Featuring ACVMax Control with
- 60 Second Set-up Based on Former TriMax Platform
- Integrated Cascade Function for up to 6 Boilers
- Two Reset Curves / Set Points
- Multiple Zone Control
- Multiple Circulator Control
Triangle Tube Boiler Installation & Warranty Information:
We recommend that the installation of all Triangle Tube Boilers be done by a licensed, trained and qualified technician with the proper knowledge and background.
Should you experience an issue during the installation or the initial startup of the unit, please do not contact the manufacturer. You should have the technician that installed the unit contact either us or the manufacturer. Triangle Tube cannot accept any service or warranty calls from anybody but a licensed technician.
Neither we, or Triangle Tube can be held liable for improper installation and operation of any Triangle Tube boiler product purchased from our company. Should a warranty issue arise where parts will need to be replaced, an installation receipt will be required along with your sales receipt. Failure to provide a receipt or invoice may result in the warranty not being honored.