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How to Rotate a Spa Pump Wet End

April 11th, 2016 by

rotating-a-spa-pump-wet-end

If you’ve ever noticed, some spa and hot tub pumps can be connected to pipes in different directions. While some are fixed at a vertical 12 o’clock orientation, other spa pumps make their return pipe connection horizontally, at 3 or 9 o’clock.

If you replace your spa pump with new, or even if you just replace your wet end, knowing how to reposition the volute will make for a fast and easy repair.

Here we have Drake, our resident spa and hot tub pump guru, rotating a spa pump wet end from top to side, in just 46 seconds.

Transcript from the video is appended to these pictures below, or watch the wet end rotation video 🙂 for yourself!

 

This is the 56 frame ultramax pump and the wet end rotation procedure…

rotating-a-spa-pump-wet-end-step-0

I want you to loosen all four (4) motor bolts at the back of the pump…

rotating-a-spa-pump-wet-end-step-1
What you want to do is take your thumb and forefinger, depress the spring and rotate either to the 3 or 9 o’clock position…

rotating-a-spa-pump-wet-end-step-2
… and reinsert the motor bolts back into the wet end…

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And then you want to tighten harmonically, as to make even pressure from the wet end to the motor. Use a cross bolt pattern and tighten each bolt snug…

rotating-a-spa-pump-wet-end-step-4
Then check the wet end and make sure that the impeller is free to spin…

rotating-a-spa-pump-wet-end-step-5

Now you can plug the motor cable back into the outlet, and thread on the union nut connectors. To replace the power cord, just unplug and remove/replace the wires in the same order as the new pump.

Bleed out any trapped air in the system by loosening the union nut slightly when the tub is full or the valves are reopened.

Rotating the spa wet end is usually done when you buy a new spa pump, and the discharge port comes in a vertical orientation (top), but your pipe connection is horizontal (side).

Piece of Cake!

 

– Jack

 

 

 

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