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Desa R155B Air Pressure Switch
The job of an air pressure type switch is to see if the blower is doing what it is supposed to do. This pressure switch is an important part of the collection of safety devices that is in place to keep you safe and keep your family safe. A lot of switches are constructed with a manual reset, which, of course, means that it would have to be reset by hand before the entire HVAC system will continue operating again.
What to Look Out for when the Switch is Starting to Fail
- Incorrect voltage range reading.
- Furnace will not operate at all.
- System does not actually get to the right indoor temp.
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Before you decide on buying or purchasing a new Desa R155B replacement part, do your due diligence and double check the model number and also make a visual comparison in order to be sure the right air pressure switch is the one being purchased. There is no need to install it yourself. Hire someone with experience in your town or city to replace the part.
Feel free to download your manual for help.
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