York S1-VLHP-DSF4 Valve 319848-301 or heavy frost

or heavy frost

For technicians servicing high-voltage systems

SPDT Versatility: Single Pole Double Throw contacts allow for both Normally Open and Normally Closed wiring configurations

Direct-Fit Compatibility: Eliminates the risk of bypass or improper slope associated with aftermarket traps

as long as the 210 PSI set point aligns with your system’s design requirements for maintaining a sufficient pressure drop across the TEV

York S1-VLHP-DSF4 Valve 319848-301 or heavy frostThe York S1 VLHP DSF4 is a precision engineered 1 ton reversing valve manufactured by Dunan, specifically designed for heat pump applications within York and Johnson Controls HVAC systems. This 4 way reversing valve serves as the primary component for refrigerant flow redirection, allowing the system to toggle between heating and cooling modes by shifting the internal slide mechanism. Built with a forged brass body and high tolerance internal