Oil & Additives
You choose compressor oil for aircon service by refrigerant and by the vehicle specification. For R-134a and R-1234yf there is PAG oil, with or without UV additive in the same bottle. For hybrids and electric cars with an electric compressor it is often POE oil. The UV version lets you do leak detection in the same session. The oil goes into the system through the aircon service machine, so how well it doses counts as much as the lubrication itself. Always check the make and model of the car first, and the amount that came out.
WAECO NITRO-DETECT | Nitrogen pressure reducer, 0-20 bar
WAECO NITRO-DETECT | Nitrogen pressure reducer, 0-35 bar
Test Bottle UV additive for 1234yf, 100 ml
TP-3820-0016, VW, Tracer® UV Dye, PAG Oil Based, R134a, Refi
TP-9860-0301, VW, Tracer® UV Dye, PAG Oil Based, R134a, 3 Ca
SPÅRVÄTSKA KYLVATTEN 6 ST
Tracer LED violet light lamp
Tracer rechargeable LED violet light lamp
Tracer UV additive 1234yf 150ml
Tracer UV additive 1234yf 500ml
TP-3820-500, Tracer UV-Dye 500 ml
Tracer UV additive R1234yf
Tracer UV additive R134a
WAECO Tracer UV R744 | Tracer UV dye, PAG oil based, for R744, Profi Oil System, 150 ml
WAECO PAO ISO 68 | Universal oil for coating O-rings and threads, 100 ml
WAECO Tracer UV R1234yf | UV Tracer PAG / SPA2, R1234yf, Profi Oil System, 150 ml
WAECO Tracer UV R134a | Tracer UV Dye, PAG Oil Based, R134a, Profi Oil System, 150 ml
UV goggles
WAECO Valeo VC200yf | Valeo VC200yf PAG oil ISO 100 for R1234yf, Profi Oil System, 500 ml
Volvo, Tracer UV Dye, RB100EV based, Hybrid, 250 ml
WAECO Leak Detector 3000 | Refrigerant leak detector with PPM display
WAECO A/C UV dye PAG based, R134a, 6 syringes of 7 ml
WAECO DHO R1234yf | DHO 1234yf PAG oil ISO 46 for R1234yf, Profi Oil System, 500 ml
WAECO DHO R1234yf | DHO 1234yf PAG oil ISO 46 for R1234yf, Profi Oil System, 150 ml
WAECO DHO PR, Profi Oil System, 500 ml
Choosing compressor oil: PAG, POE or UV
Which oil goes with which refrigerant
PAG oil based on polyalkylene glycol goes into R-134a and R-1234yf systems. For hybrids and electric cars with an electric compressor, POE oil is the obvious choice, sometimes in ISO 80 if a dielectric lubricant is needed. If you are unsure between the two, the vehicle specification decides. If that says nothing useful, the make and model of the car settles it. The oil enters the system through the aircon service machine, so how well it doses weighs as much as the lubrication. The wrong oil can lead to insufficient lubrication or contamination.
With or without UV additive
The same PAG oil comes with and without UV additive. If you choose the version with UV, you do lubrication and leak detection in one go. That saves a separate dose of contrast agent and an extra step at the machine. If you only want to lubricate, the version without UV is enough. For a separate dose of contrast agent or a UV fluid you remove from the system later, there are UV leak detection fluid and UV remover. The additive packaging comes in boxes of 12 syringes of 7.5 ml, with reusable hoses included.
Dosing and topping up
Dosing runs from 7.5 ml to 1.4 kg of refrigerant, depending on the system. Do not top up blindly: what comes out during a service determines what goes back in. Too much oil costs you heat transfer, too little costs you lubrication. Note down the amount you drained, because at the next service on the same car you will want to see it again. The oil is not hazardous under EC 1272/2008 (CLP), which keeps working on the machine simple. A leak you have found with UV, you seal with leak stop.
Keeping it in stock
A workshop sees both R-134a and R-1234yf cars. One universal PAG oil covers a large part of them, so you keep fewer variants. Alongside it, stock POE oil for hybrids and electric cars, and a bottle with UV additive for services where you want to check straight away. That way you do not have to order a new product for every car. The oil is made in Italy and comes in 250 ml or 1000 ml.