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The AO Smith 100109908 Flame Sensor Kit is essential for maintaining the functionality of gas water heaters. This sensor detects the presence of a flame and allows the heating system to operate safely. Depending on your heating system, this part may be necessary to ensure optimal performance.
This flame sensor kit enables safe operation of your gas water heating system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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