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The Rheem Blocked Exhaust Switch SP20770 is an essential component for Rheem water heaters. It is designed to monitor exhaust conditions to ensure safe operation. When the switch detects a blocked exhaust, it immediately shuts down the system, which helps prevent any potential hazards or damage to the unit.
This switch is vital for maintaining the safety and efficiency of Rheem water heaters.
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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