Drain Line - Culligan CTM Series Installation, Operation, And Service Instructions With Parts Lists

Drain Line

Proper discharge height and distance of the drain line will be dependent on the pressure supplied to the valve. Discharge
to a nearby floor drain will cause no backpressure, if the drain line needs to run overhead, the maximum height is 10' at
the minimum supply pressure without decreasing vacuum on the brine line.
Make sure unit is properly located to the drain, refer to
1.5" Drain
Min. Standpipe Height
25% of Discharge Height
Siphon
Break
Min. Diameter:
1" ID
Air
Gap
WARNING! Build an anti-siphon or drain line using an air vent.
WARNING! Do not make a direct connection to the drain. Provide an air gap, that conforms to state
and local sanitation codes and to premit the observation of drain flow.
14 Culligan® Culligan Top Mount (CTM) Water Softeners
Adapter
"Locate Softener" on page
CAUTION!
Drain
NOTE Hard piped drains should include a union
for ease of service.
Figure 11.
6.
Securely fasten and support drain
piping to prevent damage to the
valve and allow for 1/4" of move-
ment during regeneration.
14 Cat. No. 01029401