For contractors performing a mid-season teardown or troubleshooting a "no-heat" call

Heavy-Duty Construction: The 4

No field adjustment is required or possible

providing positive shut-off in demanding heating and cooling applications

Parker 202066 Repair Kit Refrigerant For contractors performing a mid-seasonMaintain peak operational efficiency in your industrial refrigeration systems with the Parker 202066 Repair Kit. Specifically designed for the Parker Refrigerating Specialties S4A solenoid valve with a 1 1 4 inch port size, this comprehensive rebuild package contains all critical internal components required to restore factory spec performance. The kit includes the S4A main valve plug kit (202039), the piston kit (200767), and the S6 plunger seat kit