Triangle Tube has ceased operations effective November 3, 2025. All outstanding orders for finished goods (equipment) or accessories as of November 3, 2025, will not be processed.

View online or download Triangletube SMART 40 Water Heater Installation & Maintenance Manual, Installation And Maintenance Manual, Service Technician Manual.

Nov 13, 2025 · 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 …

The Triangle Tube Carbon Monoxide related product recall contributed to the pressures that ultimately led to the closure of its American operations. Large-scale recalls place significant …

Smart series indirect water heaters by Triangle Tube (ACV) feature an exclusive tank-in-tank heat exchanger design, with 1.5 - 2 times the heat transfer surface - allowing for high energy …

Sep 25, 2009 · Triangle Tube has been an innovator and industry leader in the manufacturing of quality Stainless Steel Hot Water Heating Equipment. We have provided highly efficient, …

Combine this with a recovery rate that is up to three times faster than conventional gas or electric water heaters, and The SMART Series Indirect Fired Water Heater heats more hot water with …

True to its heritage, Triangle Tube has taken hot water heaters to another level. The indirect-fired Smart316 Line of water heaters, does not have its own burner or heating element. Because it …

The Triangle Tube SMART series provides an excellent selection of indirect water heaters for the energy-conscious consumer. Stainless steel tank construction, optimal insulation, and a …