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How to Replace the Sight Glass on a Hayward Sand Filter
Keep your backwashing process crystal clear! In this quick tutorial, we’ll walk you through replacing the sight glass on your Hayward sand filter—an easy fix that keeps your pool water clean and your system running smoothly.
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Key Takeaways:
1. Replacing the sight glass ensures clear visibility during backwashing.
2. Always turn your multiport valve to “CLOSED” before beginning.
3. A new O-ring is crucial for creating a tight seal and preventing leaks.
Step-by-Step Process:
1. Turn off your pump and set the multiport valve to “CLOSED.”
2. Remove the old sight glass by turning it counterclockwise.
3. Remove the old O-ring using a screwdriver.
4. Insert a new O-ring and quickly thread the new sight glass in place by turning it clockwise.
5. Hand-tighten the sight glass until it’s snug.
6. Turn the valve back to the “FILTER” position.
