Xantus 23-201 Firefly UV Dye is a concentrated UV leak-detection dye in a direct inject for 1.5 to 5 ton systems. No measuring, no mess, no refilling a dye injector: connect to the low-side port, inject in seconds while the unit runs, then find the leak with any UV lamp and glasses. Contains no methanol. Made in the USA.
Specifications
| Manufacturer part number | 23-201 |
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| Product line | Firefly UV Dye direct inject |
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| System size | 1.5 to 5 ton |
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| Designed for | Split systems, heat pumps, microchannel coils, packaged units, mini splits |
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| Application | Direct inject through the low-side service port; clear tube so you see the dye go in; no injection hose or caulk gun needed; one-time use |
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| Methanol | None |
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| Pump-down required | No |
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| Brand | Xantus Products, made in USA |
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How to install
- Turn the system on and verify it is running.
- Attach the inject to the inject gun or manifold hose firmly, then to the low-side service port (generally the larger line).
- Purge the hose, open the low-side valve and watch the clear tube empty; close the valve as soon as it is clear. This only takes a few seconds.
- Verify the charge against the nameplate, cap the port, and run the system at least one hour so the product circulates.
Frequently asked questions
How do I find the leak after injecting? Run the system, then scan joints, coils and fittings with a UV lamp and glasses; dye accumulates at every leak.
What do I use to repair the leak? Small leaks: seal permanently with Xantus Max Seal. Large leaks: repair mechanically.
Do I have to pump the system down? No.
Related Xantus products
Documents
Product bulletin, SDS and application videos from the manufacturer: xantusproducts.com/how-to-videos. See the full line on our Xantus Products brand page. Ships from Oozzio's Illinois warehouse; call 217-607-5850 with application questions.
