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125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid

UV mobile A/C leak test fluid suitable for R1234yf, R134a, belt driven or electric/hybrid compressors.
Price (Exc. VAT)

£14.30

£17.16 inc. VAT
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  • ISO 9001 Certified
  • City & Guilds Approved
  • UK Next-Day Delivery
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Technical Specifications

Every Detail,
No Compromises

We only choose products that meet our high, exacting standards and the demands of professional workshops. Full specification below, with no missing values or vague claims.

Detection Method

UV fluorescent

Compatible With

R134a, R1234yf, Hybrid/EV

Volume

125ml

Application

Automotive A/C systems

System Safe

Compatible with all A/C materials
📄 Contact Us For The Spec Sheet
Attribute Name

Value

Additional information

Volume

125ml
Container Type

Machine Concertina
Compatible Refrigerants

R1234yf, R134a, Hybrid
Compressor Types

Belt-driven, Electric, Hybrid
Detection Method

UV fluorescence
See Every Leak

125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid — UV Dye Leak Detection

The 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid makes finding A/C leaks simple and reliable. A single dose circulates throughout the system and reveals any leak point under UV light.

Bright Fluorescence

Under UV light, the 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid produces a vivid fluorescent glow at any leak point — even hairline cracks invisible to the naked eye.

Universal Compatibility

Formulated for R134a, R1234yf, and hybrid/EV systems, the 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid is the one dye your workshop needs across your entire vehicle parc.

Long-Lasting Detection

Once introduced, the 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid remains in the system for the lifetime of the vehicle, allowing future leaks to be detected quickly without re-dosing.

Workshop Proven

Trusted by professional workshops throughout the UK, the 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid is part of a comprehensive UV leak detection system.
Product Overview

What do you need to know about the 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid

  • UV leak detection dye compatible with R1234yf, R134a, and hybrid/electric compressors
  • Special R1234yf formulation maintains superior performance with both modern and older systems
  • Can be added via A/C service machines or manual injectors — suits any workshop setup
  • Once injected, stays in the system permanently for easy future leak detection
  • 125ml machine concertina format for clean, precise dosing with compatible service machines
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Training & Support

We're With You Long After Delivery

AP Auto doesn’t just supply the machine — we support your team through setup, certification, and ongoing servicing. As part of the AP Air Group, we operate a City & Guilds approved training centre delivering F-gas and mobile air conditioning courses at your premises or ours.

UK Technical Support

Our specialists are on hand to help — call 01453 796905 or email sales@apauto.co.uk. Real people, real answers.

Contact Our Support Team

F-Gas & MAC Training

City & Guilds approved F-gas and mobile A/C training — at your premises or ours. Keep your team compliant and skilled.

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Common Questions

Frequently Asked Questions

Technical questions from technicians and workshop owners. If yours isn’t here, our team will answer it directly.

UV dye is injected into the A/C system and circulates with the refrigerant oil. Under UV light, any leak point is revealed as a bright fluorescent glow, making even tiny leaks easy to find.
Yes — the 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid is formulated for use in both R134a and R1234yf systems, including hybrid and EV applications.
For most passenger vehicles, a single dose of 125ml is sufficient. Avoid overdosing, as excess dye can cause foaming and system issues.
UV dye remains in the system indefinitely once injected. This means future leaks can be detected at any point without re-dosing, as long as the dye is still visible.
The 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid is fully compatible with all A/C system materials and will not affect refrigerant or oil performance when used as directed.
A UV torch (365–395nm wavelength) is required to view the fluorescent dye. Many of our leak detection kits include a suitable UV torch and glasses.
Ready to Upgrade Your Workshop?

Equip Your Workshop with the 125ml Machine Concertina Glo-Leak® 1234 – R1234yf/R134a/Hybrid

Talk to the AP Auto team today. We’ll help you choose the right machine, arrange F-gas training, and get you set up with all the consumables you need, all backed by our 3-year warranty and UK-based technical support.

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Call 01453 796905

Frequently Asked Questions

Technical questions from technicians and workshop owners. If yours isn’t here, our team will answer it directly.

4.9

62 Reviews

Mark T.Independent Workshop, Leeds
"Upgraded from an older machine — the difference is night and day. Fully automatic means my apprentice can run it without supervision. Haven't had a single issue in eight months."
Sarah KMain Dealer, Bristo
"AP Auto's team were brilliant from the first call right through to installation and follow-up. The machine itself has been faultless for 18 months — exactly what a main dealer needs."
James R.Fleet Workshop, Birmingham
"Best investment in the workshop this year, without question. EV-ready straight away, which is exactly what we needed as our fleet is transitioning. Would recommend without hesitation."

Join hundreds of UK workshops that trust AP Auto for their A/C service equipment.

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