Question about Coates Spa Heater 5.5 Kw Ct12406st

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I have a new coates heater and it takes 3 hours to heat my spa up

The old one took half that time whats the problem thank you

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Sounds like unit wired for 220 and 120 volts coming in

Posted on Dec 05, 2017

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Make sure the water flow is the same and the size of the heaters are the same. it sounds like the new one might not be the same kw.
there really isn't a solution to the heating not being the same if you have good water flow and the kw is the same as the old one.

Posted on Feb 26, 2009


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Posted on Jan 02, 2017

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