Thetford 1210 User Guide

Owner’s Manual 9

-  For plastic tubing with .040 in. wall thickness, also use the brass insert [3].

 -  Flush the water supply line until the water is clear.

-  Put the water supply line into the compression fitting of the solenoid valves.

-  Tighten the compression nut by hand (hard finger tight).

-  Using two wrenches, tighten the compression nut 1 ½ to 2 turns.

-  Open the water shut off valve of the vehicle.

-  Examine the connections for leaks.