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Found 3 results

  1. I have a Rainbow 320 in line chlorinator. It already has a check valve incorporated in the bottom of it. Pool guy told me today I should have another check valve installed in the plumbing line between the chlorinator and heater to ensure chemicals do not flow into heater. After thinking about it it struck me as odd since he installed the heater to begin with and did not mention it at the time of install. Is the Rainbow 320 built in check valve sufficient or is a secondary check valve warranted? Have not had any issues with heater in 2 years since install. Thanks for your input.
  2. Have a 1993 Tiger River Spa, Check valve is broken, not enough room to replace it, tube sticks out just a little in the upper right corner and doesn't seem to be movable. Anyone have this problem and have suggestion?
  3. After my system has shut off, water from my raised spa drains into the pool overnight until the levels are roughly equal. After reading other posts, I concluded the Jandy check valve on the spa return line might be the cause so I ordered a new valve. Upon removal of the old check valve, I discovered it was positioned with the red flapper flush against the pvc pipe. Water flowing through the line has no effect on it. The old check valve was in fine condition. It was originally installed this way 8 years ago when the pool was constructed. The drainage problem with the spa began about a mon
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