City & Guilds Approved 

Exclusive UK Distributor for Oksys & CTR

Calblue Leak Detector Spray

High viscosity leak detector spray with freeze protection from 5°F to 225°F. Non-corrosive formula.
Price (Exc. VAT)

£15.58

£18.70 inc. VAT
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

Electronic sensor

Compatible With

R134a, R1234yf & more

Application

All vehicle types incl. EV/HYB

Safety

Safe for workshop use

Supplied As

Complete kit
Attribute Name

Value

Additional information

Temperature Range

5°F to 225°F

Non-Corrosive

Yes

Application

Refrigerant leak detection

Find Leaks Fast

Calblue Leak Detector Spray — Professional Leak Detection

Don’t let hidden A/C leaks cost your customers money. The Calblue Leak Detector Spray makes leak detection fast, accurate, and professional — every time.

Precision Detection

The Calblue Leak Detector Spray pinpoints refrigerant leaks quickly, minimising diagnostic time and getting vehicles back on the road faster.

Reliable Technology

Electronic sensor technology provides repeatable, accurate readings across a wide range of refrigerant types.

All Vehicle Types

The Calblue Leak Detector Spray is suitable for conventional, hybrid, and electric vehicles — one tool for your entire workshop bay.

Ready to Use

Supplied as a complete kit, the Calblue Leak Detector Spray requires no additional purchases before your first use.
Product Overview

What do you need to know about the Calblue Leak Detector Spray

  • Professional leak detection spray that clings to surfaces for extended detection time
  • High viscosity formula creates long-lasting bubbles, revealing even the smallest leaks
  • Freeze-protected formula stays effective across a wide operating temperature range
  • Non-corrosive to metals, plastics, and rubber — safe on all A/C system materials
  • Easy trigger spray application for fast, targeted use around fittings and connections
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.

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.

Complete Your Workshop

Frequently Bought Alongside the Calblue Leak Detector Spray

Common Questions

Frequently Asked Questions

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

The Calblue Leak Detector Spray is designed to detect common automotive refrigerants including R134a and R1234yf, as well as other refrigerant types. Please refer to the product specification for the full list.
The Calblue Leak Detector Spray offers high-sensitivity detection suitable for professional workshop use, allowing you to pinpoint even very small leaks quickly and accurately.
Power on the unit, allow it to calibrate, then slowly move the probe tip around suspected leak points. An audible and/or visual alarm indicates refrigerant presence.
The Calblue Leak Detector Spray should be allowed a warm-up period as described in the manual, and periodic sensor replacement ensures ongoing accuracy.
Yes — the Calblue Leak Detector Spray is safe for use on all vehicle types including hybrid and electric vehicles, provided standard workshop safety procedures are followed.
The Calblue Leak Detector Spray is supplied as a complete kit. Please refer to the product listing for the full contents, which typically include the detector, UV glasses, and carry case or holster.
Ready to Upgrade Your Workshop?

Equip Your Workshop with the Calblue Leak Detector Spray

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.

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."

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