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red79

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  1. I considered this, but it does not explain why the motor itself is getting hot--it would explain the control pack overheating (which, as far as I can tell, it is not), but not the pump motor itself. ps558, I just swapped the motor--I carried over the wet end from the old pump. I spoke to a technician at a hot tub service shop, and he agreed that it was probably a defecvtive motor. He said that this type of malfunction was relatively common, people often report this type of trouble with brand new units. He recommended taking it to a motor repair shop to get it repaired under warranty. Thanks for everyone's thoughtful replies!
  2. Hey guys, the main pump motor in my old HydroSpa seized because water had been leaking onto it, and a friend of mine had a similar motor lying around. Here are the specs on the 2 motors: Original: 230v, 3 HP, 3450RPM 12.0/4.4 amp Spare: 230v, 3.1 HP, 3450RPM 17.5/8.8 amp I know the replacement is rated for a much higher current, so I am not surprised that when I swapped it in it ran very hot--running for a few minutes before tripping the thermal cutout, then restarting. The housing becomes almost too hot to touch. Is there any way that I can adapt my system, or the new motor, to play nice together? I'd rather not shell out for a numbers matching replacement if there's any way I could avoid it. Thanks!
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