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Lennox G40UH-36A-070 Transformer
A transformer is a regular occurrence in most things electrical which includes your forced air system as it is mainly used to alter electricity output from 120V to 24V, for example. Heating and cooling transformers are all different and you must follow specific voltage readings. When one needs replacing, it would be good to get one that is rated for the exact voltage that is necessary.
How can I tell if my unit transformer is almost going bad?
- Zero power is measured from the output of a main transformer while being tested
- Cycling voltages can be measured coming from the system transformer
- The main transformer looks cracked or maybe smokes while electricity is running through it
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If you are going to be buying or purchasing, do your due diligence and double check the correct model and also make a visual comparison in order to be sure the right transformer is being ordered. Safety is always important when you replace or install any part of a heating or cooling system. If you are unsure about the installation then you should call a pro. Stay safe.
Feel free to download your manual for help.
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