Industrial-Grade Construction: Resistant to pitting and oxidation on the internal contacts

Always verify the part number on the existing switch before replacement

208/240V coil for standard HVAC control circuits

Always confirm your specific wiring diagram to ensure proper phase alignment on L1 and L2

York S1-025-21710-701 Pressure Control 30067439-890 Industrial-Grade Construction: Resistant to pittingThe York S1 025 21710 701 Pressure Control is a critical OEM safety component designed for precise HVAC refrigerant pressure monitoring in commercial and residential systems. Engineered to operate on a 24V circuit, this control features a dedicated . 20" WC (Water Column) set point, ensuring optimized system performance and protecting against low pressure conditions that can lead to compressor failure or inefficient cooling cycles. As a genuine Source