Culligan Aquasential Select Plus Iron-OX5 Installation, Operation And Service Instructions page 14

Bypass Valve
To bypass, turn the blue knob clockwise (see directional arrow on end of knob) until the knob stops as shown.
("Figure 7.") DO NOT OVERTIGHTEN!
To return to service, turn the blue knob counter-clockwise until the knob stops as shown.
(See directional arrow on the end of knob) DO NOT OVERTIGHTEN!
Figure 7.
Culligan Aquasential Select Plus & Select Series Iron-OX5 & Sulfur-OX3 Water Filters 01040683
About 3/8"
To Bypass
("Figure 8.")
Figure 8.
About
1-1/4"
A screwdriver shank may be used in the slot
as a lever for extra turning force if needed
Installation 14