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Rheem 47-21711-08 is a 110-130F auto limit switch designed for HVAC systems. This automatic reset limit switch disconnects power to the heating element when the water temperature exceeds the preset limit. Its function is crucial for the safe operation of water heating systems.
This limit switch is essential for preventing overheating in water heating systems, ensuring reliable 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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