The Straight Extension Coupling is used to join two tubes at the same angle. The nuts tighten with simple hand pressure.
RECOMMENDED PROCEDURE FOR INSTALLATION:

1. Turn off water.
2. Remove nuts and washers A, B, C and D.
3. Slip a nut and washer on each tube to be connected as illustrated.
4. Position coupling and tighten nuts. Run water to test for leaks.

NOTE: These parts are designed for a hand-tight installation. Pipe thread compound is not required.