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The DiversiTech HDR-221 is a thermal sequencer designed with three main staged circuits. This product uses DPST-N/O and SPST-N/O technology and is essential for controlling electrical loads in sequencing applications.
This sequencer simplifies electrical control with its reliable performance in staging and sequencing.
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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