Prepare Valve Assembly with Unions and Tape

What happens here

The plumber begins assembling the components on the tailgate of a truck. He attaches a white plastic union to one end of the brass swing check valve. Before tightening, he wraps Teflon tape around the threads of the union connector in the direction the threads will tighten. This ensures a secure and leak-free connection. He also highlights the importance of checking that the rubber gasket is correctly in place within the union when purchased.

Goal: This step involves preparing the swing check valve by attaching plastic unions and applying Teflon tape to ensure a watertight seal.