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Problem: How can I find my run capacitor size and voltage if the ratings are worn off?

rusty capacitor

Problem: My air conditioner’s fan and compressor have stopped working! My capacitor looks bad. Really bad and rusty all over! I can not read the specifications on the capacitor to know which capacitor to purchase. How can I find out what size capacitor that I need for my condenser fan and compressor?

worn out capacitors

Answer: We have this question asked many times. I have had this problem several times when I was doing air conditioning service. The Air conditioning unit’s capacitor needs to be replaced, but the capacitor is so rusty or the label is missing! I have had to ask myself, how in the world do I determine what is the right capacitor replacement size when I can not read the specifications of the old capacitor?  We have a really good YouTube video below that was made by AC Service Tech LLC that explains how to determine the right capacitor size when the capacitor specifications are worn off. Thanks to the AC Service Tech Channel for making this great video! AC Service tech explains in the video that you can get the capacitor size for the motor off the motor label and the compressor capacitor size by using Google or another search engine to find the compressor model number and capacitor size. The two most popular compressor manufacturers are Copeland and Bristol. Please click here if you would like to see a PDF Copeland Compressor Product Guide that shows the capacitor sizes for many of the Copeland compressors. Please click here if you would like to see a PDF Bristol Compressor Product Guide that shows the capacitor sizes for many of the Bristol Compressors. If you need a capacitor we would love to help you out! We sell over 80 different name-brand capacitors on the following page: Please click here to see the capacitors we sell. If you have any questions or if you would like for us to look up a capacitor or part for your AC or furnace please send us your unit’s model number and we will be glad to try and help you out. Our email is arnoldservice@gmail.com


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