Question about Hayward 11kw Electric Spa Hot Tub Heater Cspaxi11 ()

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I changed the contactor and the thermostat, the contactor does not kick in right away, is it supposed to? is there something else i need to change? thanks

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The Cspaxi series also have a pressure sensor which senses the pressure inside the heating tank. This sensor connects to the coil on the contactor, insufficiant pressure in the tank will cause a delay in the contactor activating. It sounds like your problem can be caused by insufficiant water flow from the pump, a clogged or pinched water line to the heater, or a faulty pressure sensor.

Posted on Feb 04, 2011

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