I have a spa and the temp will only get to 91degrees how can i get it hotter?
my spa has a cover and still only gets to 91 degrees how can i get it hotter.
It should have a thermostat dial on it that you can set higher. If it’s already at the top, then either it’s losing a lot of heat somewhere or the thermostat is faulty. Talk to your spa service center about it.
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