Brand Specific Forums > Marquis Hot Tubs

2004 Marquis Reward pumps question?

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Vinny:
Those junctions should always be opened unless you are servicing the spa. I don't have any gate valves on my tub so it won't harm anything to keep them open all the time.

sregnar:
no sorry, the slice vales are open, the junctions im referring to are the PVC pump fittings, im loosening them to let air out.

sregnar:
So I may have solved the issue, and it seems too easy. When the spa is turned on the pump that's NOT directly plumbed to heater runs, and the other that is directly plumbed to the heater only runs when you turn the jets on manually. I was getting dry errors and heater flow low errors. So I powered down, unplugged the pumps from the board and reversed the plugs. Now when powered on the pump that flows directly to the heater is running and the other is not, meaning I'm getting consistent water flow through the heater, hopefully solving this issue for good! Unfortunately one of the heater PVC junctions is leaking so I just siliconed the exterior of the PVC, once dry I'll fire the puppy up!

MarKee:
Sounds like your heater gaskets are worn out, you should replace them.  The silicone is probably a band-aid fix and it will likely start leaking again.

sregnar:
Heater gaskets are brand new. The silicone was a bandaid and it still didn't work, so I closed the slice valves and cleaned off all the silicone. I took the split nut off and added a good amount of pipe dope to the threads, and put it back together. Seems to 99.9% leak free, tiny bit of moisture after an hour. The good news is that my pump switch fix worked! And the tubs been running and heating flawlessly for a couple hours!

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