5
Figure 3
•
The control valve drain connection is 1/2" npt.
•
Never decrease the drain piping size to below 1/2
”
•
Maximum drain line length is 20 feet.
•
Maximum drain line height is 6 feet above the
control valve.
•
The drain line must be piped to an open air gap
(See Figure 3)
•
Always follow local plumbing codes.
