Fake flue checker: Baxi's free Toolbelt app now scans the QR code on its flue terminals
Baxi's free Toolbelt app now reads a QR code on its flue terminals and checks the serial number against production records, PHAM News reports. You don't need Baxi Works membership. What happens with stock made before the code isn't in the report yet.
Baxi flue terminals now carry a QR code your fitters can scan to check the part before it goes in, PHAM News reports. On 26 October 2026 PHAM News said this fake flue checker, a “check your flue” feature inside Baxi’s Toolbelt app, was already live.
According to PHAM News, Toolbelt is free for anyone to download, and installers and merchants don’t need Baxi Works membership to use it. So the check can happen at the merchant’s counter as well as in your van or stores. It’s one of the tools and technology for the trades you can hand to whoever takes the delivery.
The fake flue checker reads the serial against Baxi’s records
The code sits on the terminal, its packaging and its labels, the report says. Scan it and the app checks the terminal’s serial number against Baxi’s production records, “to confirm it’s genuine”, in PHAM News’s words.
PHAM News quotes Rob Pearse, Baxi’s residential business director: “Look for the ‘Scan in Baxi Toolbelt App’ prompt from October.”
The scan fits when the delivery comes in
The obvious moment is when the delivery comes in, while the terminal and its box are still together. Give it to whoever signs for the order or loads the van. Without a stores team, that’s the person preparing materials for the job.
A line on the delivery note or the job record tells the fitter it’s been checked. That way nobody scans the same part twice, and nobody assumes someone else did.
On a boiler replacement, the scan comes before your paperwork after the job, the Benchmark digital platform record and the building regs notification for a boiler replacement, while the part is still in its box.
Older stock, and a scan that fails
PHAM News doesn’t list which terminal references carry the code, or say what happens with stock made before it. If you’ve got terminals in the van or the stores already, don’t assume they’re covered. The report is just as quiet on a missing code or a scan that fails, so neither one, on its own, tells you the part is fake. Nor does it say any rule requires the scan.
If an older terminal won’t scan, take its reference and what the app showed back to your supplier before anyone fits it. Your fitter then has a specific product question to settle, not a hunch.
Flues carry combustion products containing carbon monoxide out of the building, PHAM News points out. It’s the part you least want to be a copy, and on a terminal that carries the code, you can now check it with a phone.
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