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Questions for: Pentair Impeller Locking Screw- 355389

Got a Question?

? Asked on 7/30/2015by MAFI

is it right Screw for Impeller 355315
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A Answered on 7/30/2015 by InyoPools Product Specialist Hector F.

If your pump is the model Challenger then that is the correct screw for that impeller.
Reply

? Asked on 3/28/2016by chris

Is this a left hand threaded bolt? The old one broke upon replacement of motor. Do i need to replace it?
Reply

A Answered on 3/28/2016 by InyoPools Product Specialist Lennox H.

Hi Chis, This Impeller screw is left-handed thread. You do not need it but if you want to you can replace it.
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? Asked on 5/7/2016by Laurie

Is this a left handed thread screw?
Reply

A Answered on 5/9/2016 by InyoPools Product Specialist Lennox H.

Hi Laurie, This impeller screw is a left-hand thread.
Reply

? Asked on 7/28/2017by curt

I was replacing my motor on my Pentair superflo. The bolt for the impeller is bent. it is a left handed thred does it have to be in the pump?
Reply

A Answered on 7/29/2017 by InyoPools Product Specialist Lennox H.

Hi, Curt. The impeller screw is left-hand threaded.
Reply

? Asked on 8/10/2018by John

is this locking screw 5/16 thich. how many threads to the inch. Does it hold the impellar in place.
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A Answered on 8/11/2018 by InyoPools Product Specialist Lennox H.

Hi, John, This Impeller Screw Fastener Size is 1/4" and the Thread Pitch is 20. It does keep the impeller secured to the motor shaft.
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? Asked on 6/3/2020by kostis pontikos

Will this impeller screw fita Challenger pumpp 3 hp. Thanks kostis
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A Answered on 6/3/2020 by InyoPools Product Specialist Patrick P.

Yes this is the correct impeller screw for a 3 HP Challenger Pump.
Reply

? Asked on 10/4/2020by Mary M. Jackson

I can’t get this screw out, any advice?

A Answered on 11/2/2020 by InyoPools Product Specialist Hector F.

Hi Mary, sometimes using a small amount of muriatic acid will clean corrosion that could be causing the skew to stick. Also, WD40 or heat may also assist to break the screw loose.
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