Frequently Asked Questions

How to replace?

  • Step 1: Turn off the water supply to the filtration system.
  • Step 2: Remove the prefilter bowl carefully.
  • Step 3: Replace the old O-ring with the new 1511-20 O-ring.
  • Step 4: Reassemble the prefilter bowl and restore the water supply.

Estimate time?

Approximately 15-20 minutes.

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