The big handle with all the positions on top of your sand filter is the "multi-valve" It has a locking ring about 6-8" in diameter that holds it to the filter. I remove the ring and the whole valve assembly for the winter. The pressure gauge screws into it and is a replaceble item.

You can see the 6-way valve in the picture--the whole black unit on top of the tank, and the locking ring is where the black part meets the beige filter tank. You can see the gauge attaches to the valve.

This year, at the end of the season, I noticed the gauge seemed stuck so I tapped it with my finger--the whole dial inside disintegrated! So when I pulled off the 6-way valve I unscrewed the gauge and trashed it--I have a new one for next season.


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