help with pressure gauge

by Bonnie
(md)

I have a Hayward de filter #50 that I need to replace the pressure gauge. I have unscrewed the large brown casing from the filter but I can’t get the gauge out. Is it screwed in or pressed in? Please help
Thanks Bonnie

Hi Bonnie, the gauge is screwed in and takes a wrench to remove it. There should be a part that looks like a nut at the top of the threads. It should unscrew without to much effort. The threads on the gauge should have Teflon tape on them, they should never be glued in.

I never change a pressure gauge myself. I leave them in place when they go bad. I can tell how my filter is doing by looking at the return flow going back into the pool. If the flow is strong the filter is fine. As the flow of water slows down the filter needs cleaned. All the filter gauge is telling you is what you can visually see for yourself by looking at the water going back into your pool.