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Friedrich MW18Y3H Flame Sensor
A flame sensor is a contraption that can reliably detect the acceptable flame when the system starts. Due to the overall safety issue, if the flame sensor senses a problem the whole HVAC system will remain stopped until the problem is fixed.
Key indicators that my primary flame sensor really needs to be replaced?
- The gas entering the furnace has problems trying to begin an ignition sequence no matter what
- Your gas furnace refuses to produce heat and completely shuts down
- The whole system will operate on certain occasions only after the second full moon of the month on a Tuesday
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Before you decide on buying or purchasing, do your due diligence and cross-check the model number as well as make a visual inspection in order to be sure the proper replacement flame sensor is the one being purchased. It can be quite simple to replace a flame sensor on your Friedrich MW18Y3H as long as you know how to and have the time and tools to do the job.
Feel free to download your manual for help.
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