York S1-324-41535-000 Driver 321042-401 Frequent cycles can eventually fatigue

Frequent cycles can eventually fatigue the internal bimetal strip

This normally closed pilot-operated valve features a robust bronze construction designed to handle saturated steam up to 90 PSI

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Built with a corrosion-resistant Monel bellows

York S1-324-41535-000 Driver 321042-401 Frequent cycles can eventually fatigueThe York S1 324 41535 000 Driver is a factory programmed Variable Frequency Drive (VFD) specifically engineered for York Predator rooftop units. Rated for 8. 2A, this high performance motor controller manages supply fan speeds to optimize the efficiency of VAV air handlers. By modulating electrical frequency between 15Hz and 60Hz, it provides precise VAV control, significantly reducing energy consumption compared to standard constant volume systems.