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The SOURCE 1 S1-02419082738 is a York heat sequencer time delay relay designed for HVAC systems. This device efficiently manages the timing and sequencing of heating elements, ensuring optimal performance of the heating or cooling equipment.
This relay ensures proper activation sequencing of heat sources, thus contributing to system efficiency and longevity.
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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