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Lennox CB27UH-036 Defrost Sensor Board
The defrost sensor board determines when or if to start the defrost sequence which assists to rid your unit of frost that can build up. The defrost sensor board depends on a specific sensor located near the condenser to agree when to begin.
Simple indications of an inadequate defrost board
- Most systems will not run for the fact of the fact that there is too much frost
- The control board may signify a particular error code when the defrost control board refuses to initialize properly
- Unit defrost session has not run for quite some time even though there is a large amount of frost that makes the unit run like crap
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Before buying or purchasing any Lennox CB27UH-036 replacement part do your best and make sure of the correct model as well as make a visual inspection in order to be sure the proper replacement defrost sensor board is being ordered. You do not have to install it yourself. Hire someone with experience in your town or city to do it for you.
Feel free to download your manual for help.
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