I have a broken H.O.T. magnum - bad motor. Too pricey in my book to fix it. I think I'll just hook my pump up to it. Anything to be concerned about? Pressure, etc...?
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i take it thats the hang on version that pumps 250 gal an hour?
so you would be looking to increase this by 350 an hour
as long as your connections are solid and able to cope with the increased flow rate i dont see why not
i would try a trial run to see
not sure on the possabilty of back pressure to the motor there is a faq somewere on how to calculate your flow rate either on here or somewere else that should be of use
just hook it all up to see if 600 can be initialy maintained that should show up any pressure problems to the motor
dont forget youre filter motor gets put under pressure when youre media becomes dirty and restricts flow