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$84.00

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By Hayward Pool Products

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Part # 4663-09

Manufacturer Code CX1750G

Dimensions 6" L x 4" W x 3.25" D

Alternate Part #'s CX1750G, 17-150-1534, HAY-051-1528, HPPCX1750G

Product Description

Locking Knob - Star Clear Plus C1750/C1900 - CX1750G

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Ask A Question

?     Asked on 8/16/2015by Kathy

Does this part also include the gasket that is located between the top of the neck and under the black knob section? Or will that need to be purchased separately?
 Reply

A  Answered on 8/16/2015 by InyoPools Product Specialist Hector F.

This knob does not include any of the o-rings or washers that are around or attached to this part. The knob o-ring is part number 4654-36.
 Reply


?     Asked on 6/3/2017by jim davis

how do you remove the lock ring that holds the cx1750g lock knob on?
 Reply

A  Answered on 6/5/2017 by InyoPools Product Specialist Lennox H.

Hi, Jim. You will have to use a flat head screwdriver to remove the stainless steel clip that secures the knob to the lid. Then the knob will slide out of the Lid.
 Reply


?     Asked on 1/25/2018by Inyo Visitor

What is the thread size 5/8" or 1/2" ?will this fit haywood C12002 filter ?what is the length?
 Reply

A  Answered on 1/26/2018 by InyoPools Product Specialist Lennox H.

Hi. We do not have the thread size specs. This Locking Knob - CX1750G will not fit the C12002 model, however, the Locking Knob - CX900G will.  
 Reply


?     Asked on 4/10/2018by STEVE PEEK

WILL THIS FIT MODEL #C9002
 Reply

A  Answered on 4/11/2018 by InyoPools Product Specialist Lennox H.

Hi, Steve, This Locking Knob will not work, you will need Part #CX900G. 
 Reply


?     Asked on 5/20/2018by Bill DeShong

Pool filter top completely separated from the cartridge casing. The top was screwed on tightly but when I turned the pump back on it blew within seconds. could there be a valve closed causing an excessive amount of pressure
 Reply

A  Answered on 5/22/2018 by InyoPools Product Specialist Lennox H.

Hi, Bill. Not likely. The knob may have gotten stripped causing it not to fit securely to the Rod. Inspect the knob, rod and the filter casing thoroughly to find out where the issue is. 
 Reply



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Write A DIY Story
Difficulty

Est. Repair Time

Less than 1 hr

Tools Needed

Screwdriver

1     0

The existing knob was over 20 years old and the threads were worn.

Written on 7/19/2021 by Guest

opened the filter cartridge assembly
inverted the housing top.
Removed the ring holding the locking knob in place.
Extracted the old knob by pulling upward while turning back and forth.
Added a new o-ring to the locking knob.
applied silicone grease.
Placed a washer on the knob shaft
Inserted the knob into place.
Placed a washer on the shaft inside the filter cartridge.
Used a screw driver to slip the keeper ring back in place.
Reassembled the cartridge housing.

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Review Summary

 (Average 4.8  out of 5 stars)
5 Rating
(80%) 4 of 5 customer would recommend this product to a friend.
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The Most Recent Reviews

 (4 out of 5 stars)  Pool filter parts

Reviewed By:  George G. from Palmyra, VA ()

Product was as advertised and was installed with minimal effort. Price was reasonable and quality was satisfactory.


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 (5 out of 5 stars)  

Reviewed By:  papa ()

Pros: this product was perfect for my filter it worked great

Cons: none

this product was a perfect match for my filter and it works great


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