Pittstop R12, R22, R502, R290, R600a Oil Checker 2 Pack or 10 Pack

Description Directions

Note: This item will not work on R134 systems. If you need to check the oil for an R134 system, please purchase the R134 oil checkers.
A cost effective and easy way to detect air conditioning oil levels and harmful acids in the oil of A/C systems without changing out the A/C system and draining all the oil from the system.
Many A/C compressor failures are caused by low oil levels and dirty contaminated oil in the A/C system. The use of this low cost oil checker can save you the cost of a new compressor plus the down time caused by the replacement of a compressor.
Automotive and commercial installers can use existing service fittings to utilize the oil checker.
Directions: Operate the A/C system for 15-20 minutes. Put the oil checker between your thumb, index finger and middle finger and with the A/C compressor running, push down on the low pressure (suction line - which is normally the big A/C line) 2 or 3 times. Set oil checker upright for 3-5 minutes then pick up the oil checker and check the oil level. If the tube is 1/2 full or more, DO NOT add oil to the system. If it is below 1/2 full, add oil to your system. The oil checker is a 1 time use item. THE COMPRESSOR CLUTCH MUST BE ENGAGED OR RUNNING TO GET A CORRECT READING.
Also available in 10 packs.
Available for R134a and R1234yf systems as well.
This item is also available for purchase in bulk without packaging. Contact us for pricing!

Directions for Use:

Operate the A/C system for 15-20 minutes.
The fan can be on high or low.
Put the oil checker between your thumb, index finger and middle finger and with the A/C compressor running push down on the low pressure (suction line)(this is normally the big A/C line) 2 or 3 times.
Set oil checker upright for 3-5 minutes then pick up the oil checker and check the oil level.
If the tube is 1/2 full or more, DO NOT add oil to the system. If it is below 1/2 full, add oil to your system.
The oil checker is a 1 time use item.

Note: The compressor clutch must be engaged or running to get a correct reading.

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