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The Rheem 42-21571-08 24V Single Pole Single Throw Relay is designed for controlling low-voltage circuits in industrial and commercial applications. With a single-pole, single-throw (SPST) configuration and normally open (N/O) contact, this relay operates on a 24V power supply and ensures reliable switching performance.
This relay offers high contact reliability and durable construction, making it ideal for industrial automation, commercial lighting control, HVAC systems, and security systems.
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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