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Water pressure gauge issues


Dramad1

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I have a spectra pure rodi unit. Refurbished 90gpd mpdi90. I'm running the 99% rejection membrane with .2 zetazorb sediment, .5 carbon block and super di cartridge. I also run a aquatech 8800 booster pump. Psi is 78. When on, normal water pressure is 40.

I turned my unit on today to make 10-15g and the pressure gauge is showing 0. Flow is coming out of the lines. I pulled the unit down and check all line, firm connections, no leaks, checked all housings. No cracks or leaks. I flicked the gauge a few time. Nothing. Still showing 0.

I then filled a measuring cup to check tds. Tds is still showing 0. Did my Lil pressue gauge fail and need to be replaced. Anyone have any ideas what may be going on here?

Forgot to mention, I had a spare pressue switch for the 8800, swapped that out as well and still showing 0 pressue on the gauge

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I removed the gauge and no signs of a clog. I have no idea what's up. I'm going to try and replace the gauge and go from there. Hopefully I do not need a new ro/di

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