Monday 26 July 2021

Leaks in hot tub - at pump and cartridge filter

My hot tub was going from 3600 ppm to 3000 ppm salt every two days, so I knew I had a leak. I have identified two problem areas so far: (1) the top of one of the two pumps for the jets; and (2) the bottom of my Hayward C500 cartridge filter. Photos attached.

The pump spills out significant water when it runs - I believe I need to replace the fitting that screws into the top of the pump (Hayward Superpump). I am not sure how much water leaks from the filter though - seems minimal. As...

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