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Many transformers look the same, so make sure that you are ordering by part number. If you need help, make sure you have the model number off of the unit you need parts for and then contact our parts counter using this form.

The most common reason a transformer fails is because of a "short" in the control circuit. Believe it or not, the most common reason for a short in split systems is damaged control wiring around the outdoor unit. Since low voltage control wiring is frequently not protected inside of a conduit, it can be easily damaged by weed eaters and pets. If a transformer has failed because of a short in the control circuit, the replacement transformer will also fail unless the short is found and repaired.


13 Lennox items found
(Click images for details & ordering)
13 Lennox items found
(Click images for details & ordering)
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CozyParts - 2020 East Macarthur ST. Shawnee, OK 74804 | Phone: 1-866-536-6691