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Triangle Tube Ceased U.S. Operations: What It Means for Owners—and How John Owens Services Can Help

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On November 3, 2025, Triangle Tube announced that it had ceased operations. As part of that closure, the company stated that outstanding orders for equipment and accessories would not be processed, and that spare parts would only be available through stocking distributors while inventory lasts.

For contractors, property managers, and homeowners who rely on Triangle Tube boilers—especially the widely installed Prestige line—this change has immediate, practical consequences: parts availability becomes a supply-chain issue, “factory” channels become far less reliable, and warranty expectations must be reset.

John Owens Services provides FREE Triangle Tube boiler inspections to verify whether your boiler is affected, identify any component damage posing a risk, and confirm whether your system can be safely repaired or needs replacement. With Triangle Tube’s North American operations having ceased, no new spare parts are being manufactured, but existing stock is available from distributors. Having a contractor with local inventory and real experience is critical.

We don’t send you searching for parts. We already have them.

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What Factors Lead To The Closure?

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 financial and operational strain on manufacturers, particularly in highly regulated industries like hydronics. Costs associated with corrective actions—replacement parts, labor allowances, logistics, legal exposure, and extended technical support—can persist for years after the initial recall event. In addition to direct expenses, recalls can erode contractor confidence, slow new equipment sales, and increase warranty claim volume across the installed base. When combined with rising compliance costs, supply chain challenges, and an increasingly competitive U.S. boiler market, the long-term impact of recall-related obligations likely compounded existing financial pressures, making continued American operations unsustainable for Triangle Tube.

The Facts: What Triangle Tube’s Closure Changes

1) New equipment and accessory orders are no longer being fulfilled

Triangle Tube’s own website messaging indicates that, effective November 3, 2025, orders for finished goods (equipment) and accessories will not be processed. 

That matters because it signals a hard stop in normal manufacturer-to-market supply. If you are planning a like-for-like replacement or expansion of an existing Triangle Tube installation, you should assume that new Triangle Tube equipment is not a dependable procurement path going forward.

2) Replacement parts are no longer a “factory support” model—only remaining inventory

Triangle Tube has communicated that spare parts will be made available for purchase by stocking distributors… as long as parts remain available.

Read plainly, that is a wind-down posture: the market is shifting from “manufacturer-backed replenishment” to inventory drawdown. In other words, the question is no longer “Can I order the part?” but “Who already has it—and how fast can they get it to me?”

This is exactly why John Owens Services has prioritized stocking the parts that contractors and homeowners will be hunting for in the months and years ahead.

3) Warranty coverage changed materially as of the closure date

Triangle Tube’s published guidance also states that purchases effective November 3, 2025, will have no warranty.

That is a critical operational detail for anyone budgeting a repair versus replacement decision. If you were relying on a manufacturer warranty pathway for parts coverage, reimbursement, or administrative processing, your plan needs to change.

4) Traditional manufacturer support is no longer what it was

Trade coverage of the shutdown describes the closure as abrupt and notes that contractors and homeowners are left looking for answers on parts, repairs, and warranty coverage.

Triangle Tube has posted contact channels on its site, but with operations ceased, the practical reality is that “factory support” is no longer an operating assumption—especially for day-to-day troubleshooting, rapid parts fulfillment, or warranty administration.

Ready to get things fixed? Schedule your service today or give us a call and we’ll be happy to help.

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Why Parts Stocking Now Determines Uptime

When a manufacturer exits the market, the service ecosystem flips:

  • The “standard” fix becomes a parts-availability problem first, and a technical problem second.

  • Jobs that used to be one visit can become multiple trips if the part is backordered—or simply unavailable.

  • Building owners face higher downtime risk in peak heating season because the constraint is no longer labor capacity; it is the last known supply of compatible replacement parts.

That is the reason John Owens Services is emphasizing a concrete differentiator:

John Owens Services stocks the Triangle Tube parts that will no longer be produced by Triangle Tube.

If you are responsible for keeping a facility warm, keeping tenants comfortable, or keeping a household running, that inventory position is not a nice-to-have—it is often the difference between a same-day repair and an extended outage.

Forty Years of Triangle Tube Service Experience Matters More Than Ever

Manufacturers come and go. Installed equipment stays.

John Owens Services has serviced and repaired Triangle Tube systems for 40 years. That history matters because legacy support is not only about having a part on a shelf—it is about knowing:

  • the failure patterns that show up after years of operation,

  • the right diagnostic sequence to avoid unnecessary component swaps,

  • the commissioning and combustion considerations that impact reliability, and

  • the practical field fixes that restore service safely when time and temperature matter.

In a post-manufacturer-support environment, experience becomes a form of supply chain resiliency. It reduces trial-and-error, shortens downtime, and increases the chance that the first repair is the right repair.

What Triangle Tube Owners Should Do Now

If you own or maintain a Triangle Tube boiler (or manage properties that do), here are pragmatic steps that reduce risk:

  1. Document what you have
     Capture model and serial information, installation details, and the most recent service history. This speeds up troubleshooting and parts identification.

  2. Plan for inventory-driven repairs
     The market is moving toward “while supplies last” for certain components.
     If your site has multiple identical units, consider planning for higher-risk spares proactively.

  3. Reset warranty assumptions in budgeting
     With published guidance indicating no warranty on purchases effective November 3, 2025, it is prudent to budget repairs as out-of-warranty events unless you have written confirmation otherwise for a specific claim.

Use John Owens Services as a service partner who can both diagnose and source from our warehouse!
The best technical diagnosis in the world does not restore heat if the part cannot be found. In the current environment, you want a partner who can execute the full chain: diagnose → source → repair → confirm safe operation.

Have a question or need a hand? Reach out anytime. You can book a service or talk with our team.
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The Bottom Line

Triangle Tube’s cessation of operations on November 3, 2025 reshapes the support landscape: equipment and accessory orders are not being processed, parts availability depends on remaining distributor inventory, and warranty coverage has changed materially for purchases from that date forward. 

In that reality, John Owens Services offers two things that matter most:

  • Inventory: We stock the replacement parts that will no longer be produced.

  • Capability: We have 40 years of Triangle Tube service and repair expertise.

If you need to keep a Triangle Tube system operating reliably—this season and beyond—those two factors are what turn uncertainty into a plan.

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