20 Culligan® Culligan Top Mount (CTM) Water Softeners
20 Cat. No. 01029401
Tubing Pilot Valve
For Pilot Valves operating on water, install tubing and strainer as detailed by the image. Water Operating Pressure must
be 35 - 125 PSI
For Pilot Valves operating on air, install plugs and connect as detailed by the arrows. Air Supply must be at least 10 PSI
GREATER than the Highest Water Pressure
Refer to page 27 for multi-tank tubing instructions.
NOTE At least 35 psi dynamic pressure must be maintained for the pilot to hold the proper piston position. If
the unit falls below this amount, even during the regeneration cycle of another unit, the system will not
operate as expected.
Figure 17. Inlet/Outlet Tubing
Connect to Air Supply
Insert with 1/4” plug for air operation
Insert with 1/4”
plug for air
operation