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Lennox G40UH-36C-110 Air Filter
It is suggested that the air filter is exchanged for a new one every 90 days or so due to the filter clogging up and restricting the flow of air in the home. Exact measurements of the filter is not really a choice you make because of the constraint of your furnace or handler. Filters for your Lennox G40UH-36C-110 come in many types and sizes, in which the one you choose will depend on your desire for cleaner air and air handler requirements.
Red flags the primary air filter is in dire need of a replacement
- As you face it toward a light source, it will almost not breach the other side of the filter at all
- The unit air filter looks dirty and perhaps should be replaced right away
- Many pros have advised to replace the filter about every 90 days in order to have cleaner breathable air inside
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Before you decide on buying or purchasing any Lennox G40UH-36C-110 part do your best and make sure of the correct model and also make a visual comparison so that you are positive that the correct replacement air filter is the one being purchased. There is no need to install the replacement part alone. Hire someone with experience locally to hire and install the part for you.
Feel free to download your manual for help.
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