Water leaks from around the Autotrol softener’s bypass valve or yoke

Safety: Shut off main water and relieve pressure before disassembly.

• Check union nuts: Tighten the union nuts connecting the Autotrol valve to the bypass/yoke. Ensure they are hand-tight plus a small additional turn.
• Inspect O-rings: Remove the bypass or yoke and inspect the internal O-rings for flattening, cuts, or chemical damage. Replace with an Autotrol bypass O-ring kit.
• Check for cracks: Examine the bypass body for stress cracks, especially if exposed to freezing. Replace the bypass valve assembly if cracked.
• Reassemble and test: Reinstall components, slowly pressurize the system, and check for leaks.