When gluing the end connector on the pipe, care must be taken to prevent the glue or solvent from coming in contact with the valve seats or ball.

When gluing the end connector on the pipe, care must be taken to prevent the glue or solvent from coming in contact with the valve seats or ball.
Special attention should be paid to the correct line-up of the installation and to the pipe length.
Tighten the union nut hand tight only and not with any type of wrench.
It is important that the unions are not used to pull the system together.