Raypak 006035F | Roll Out Switch for Low Nox Heaters Salt Chlorine Generator Cell If you're using a ground

If you're using a ground rack

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Raypak 006035F | Roll Out Switch for Low Nox Heaters Salt Chlorine Generator Cell If you're using a groundA roll out switch senses flames where it shouldn't be, it usually is mounted inside the front cover, under the lid, and or behind the lid. When a flame rolls out of the combustion chamber, the roll out switch which is a thermal fuse will sense the temperature and burn out.