smoky989 Posted June 29, 2006 Report Share Posted June 29, 2006 Hi I own a whirlpool spa purchased in 1999. Model # h850000 serial # p5881 It is wired 240 V and has 2 pumps. Last year one of the pumps had a leak at the seal. I had the pump rebuilt with a new motor. The new motor is 1 hp. The problem is the second you turn on the power the 20 amp fuse is blowing out. I have read enough stateing that the only thing that should blow that fuse is the motor. Last year when trying to get a replacement pump I remember being told the pump/ motor was 1/2 hp. Is this possible ? The guy who replaced the motor seemed to think it was 1 hp but did not seem sure. Again this is an older whirlpool spa. If it is in fact supposed to be a 1/2 hp motor and is currently using a 1 hp motor is this alone enough to blow the 20 amp fuse ? any help is much appretiated. Thanks Quote Link to comment Share on other sites More sharing options...
flibotte Posted June 29, 2006 Report Share Posted June 29, 2006 are you sure there isn't a short curcuit some where? Quote Link to comment Share on other sites More sharing options...
smoky989 Posted June 29, 2006 Author Report Share Posted June 29, 2006 are you sure there isn't a short curcuit some where? a short should trip the breaker I would think. I am 99% sure the motor I have is to many amps and is overdrawing blowing the fuse. Is there such a thing as a 1/2 hp motor ? Quote Link to comment Share on other sites More sharing options...
smoky989 Posted June 29, 2006 Author Report Share Posted June 29, 2006 On the back of the motor there is a switch for high or low voltage It was set on low ...I switched it to high and problem solved, no more blown fuse. I am happy again Quote Link to comment Share on other sites More sharing options...
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