CPS Products TLJ4 R134a Oil and Dye Injector: A Must-Have for Effortless Refrigerant Maintenance and Leak Detection! Review

This is a great tool to add to your air conditioning tool collection. Makes it easy to add oil or dye to any air conditioner. Just tie it to the low pressure side of the gauge manifold and you can just leave it there. Highly recommended.

The 1 oz and 2 oz markings are only on the outside of the tube. Only needs to be used a few times for the mechanic next door to work so it's fine for my use but would probably go with one of the others with a clear ounce marker.

Nice tool and easy to use but many of your R-134A gauges use 1/4" ports and this block has 1/2" ports. it does not fit my CPS MA1234 Pro R-134A gauge set. You will need a 1/4" to 1/2" adapter to connect this product to the manifold and a 1/2" to 1/4" flare fitting to connect the low pressure hose to this product.

A little tricky to use (suction system, suction oil and then suction again - follow instructions provided) but works great. Very good construction. Securely hold pressure with o-rings and a ball valve on the bottom. One end connects to the manifold gauge set and the other end connects to the low pressure hose. One note - his time frame of how long it takes for the oil to be absorbed was very different for me - I had to quadruple the time frame (used with ISO 150 PAG oil - to make it thick). I…

I bought this CPS oil nozzle a few weeks ago. It was well packaged with clear instructions and diagrams showing the user how to use it when the system is under vacuum and when the system is already charged. I used it accordingly and it worked great. The quality of the oil tank is very impressive. There is a valve at one end to shut off the system when you fill it with oil. The hose is a 1/2 inch female connector that you connect to a gauge manifold. The quality is very high and I went with this