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The Service First SWT04163 is a flame rollout switch designed for the S8X1 furnace S-Series. This vital component ensures safe operation by detecting excessive heat and shutting off the furnace when necessary.
This switch plays a key role in maintaining furnace safety.
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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