York S1-VLHP-DSF4 Valve 319848-301 SPDT Versatility: Single Pole Double

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

Common Questions How do I adjust the switchover point on the R-3030-1

Using this in other valve bodies will result in improper seating and refrigeration flow failure

or heavy frost

allowing for customization based on chemical exposure and temperature ranges

York S1-VLHP-DSF4 Valve 319848-301 SPDT Versatility: Single Pole DoubleThe 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