How do I verify rotation if the original markings are gone

Suitable for closed-loop hot water heating systems

Adjustable Solid-State Overload: Eliminates the expense and logistics of thermal heaters while providing high-accuracy trip classes (10/20/30)

For technicians performing a Carrier blower motor repair

The unit includes a pre-installed gasket to eliminate vacuum leaks and ensure an airtight seal between the motor housing and the collector box

Parker Refrigeration Specialties CK4A-8 Check Valve R-448A How do I verify rotationThe Parker Refrigeration Specialties CK4A 8 Check Valve is a rugged, 2 inch ODS inline check valve engineered for heavy duty industrial refrigeration applications. Built with a ductile iron body (GGG 40. 3), this spring closing check valve provides a positive shut off to prevent refrigerant backflow in liquid lines, suction lines, and hot gas discharge lines. As a veteran preferred component for screw compressor systems, the CK4A 8 is particularly