?     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


?     Asked on 7/16/2018by Inyo Visitor

mine is a sw1750 this knob will fit?
 Reply

A  Answered on 7/16/2018 by InyoPools Product Specialist Lennox H.

Hi. Yes, this Knob will ft your SW1750 model filter. 
 Reply


?     Asked on 2/11/2019by Luis

Is the metal part of the knob about 2" long ? My filter is the C17502
 Reply

A  Answered on 2/12/2019 by InyoPools Product Specialist Lennox H.

Hi, Luis. This is the correct Knob for the C17502 model filter. 
 Reply


?     Asked on 7/26/2019by Joan Moroso

DO I NEED THIS PART FOR THE RETAINER ROD FOR MY HAYWARD PRO GRID MODEL DE3620? i HAVE THE RETAINER ROD NEEDED IN MY CART? IF NOT, WHAT HARDWARE DO I NEED, PLEASE?
 Reply

A  Answered on 7/26/2019 by InyoPools Product Specialist Lennox H.

Hi, Joan. This Locking Knob - CX1750G will NOT work with the DE3620 model filter. Use the Hayward ProGrid Perm-A-Glass D.E. Filter Parts Diagram t locate replacement parts for your unit. 
 Reply


?     Asked on 6/10/2021by Kim Gibson

will this work for hayward filter C17502SBH 190 Series
 Reply

A  Answered on 6/11/2021 by InyoPools Product Specialist Craig C.

Hello Kim.  The Hayward Locking Knob part number 4663-09 is the correct locking knob for the Hayward Star Clear Plus filter model C17502.
 Reply