Hayward Filter CX900G Locking Knob, StarClear Plus

$66.94

IN STOCK
FREE SHIPPING

Part # 4663-01

By Hayward Pool Products

  4.5 Average  

Details

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Part # 4663-01

Manufacturer Code CX900G

Dimensions 6" L x 4" W x 3" D

Alternate Part #'s CX900G, HAY0511464, 17-150-1532, HAY-051-1464, HAYCX900G

Product Description

OEM locking knob used on all Hayward StarClear Plus cartridge filters except the 175 sq ft model (see 4663-09 for the 175 sq ft knob).

This knob locks the filter head in place.

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?     Asked on 7/6/2021by Inyo Visitor

Does this screw onto the post in the bottom half of filter?
 Reply

A  Answered on 7/9/2021 by InyoPools Product Specialist Craig C.

Hello.  The Locking Knob threads onto the stainless steel rod that is installed in the bottom half of the filter.  The Locking Knob extends through the filter head and when tightened onto the rod forms the seal between the two pieces of the filter body.  Attached please find an exploded parts diagram of the Str Clear Plus Cartridge Filter which may assist in visualizing this scenario.   Hayward Star Clear Plus
 Reply


?     Asked on 8/6/2020by Roger Watts

Does this part also fit the C-17502(S) filter?
 Reply

A  Answered on 10/30/2020 by InyoPools Product Specialist Hector F.

Hi Roger, yes this lock knob is compatible with the Hayward Star-Clear 1750 model cartridge filter. 
 Reply


?     Asked on 2/26/2020by frank

cannot get top of filter off locking knob acts like it is stripped help i think i will have to replace knob filter model is 1200. also ineed rubber o ring that goes between top and bottom half
 Reply

A  Answered on 2/28/2020 by InyoPools Product Specialist Lennox H.

Hi, Frank. If you're able to salvage the lid, you will need a Locking Knob - CX900G, Cone Kit - CX900DA, and the Cover O-ring - CX900F.
 Reply


?     Asked on 7/26/2019by Joe

My initial threads have failed on this Filter Lock Knob and the rod that screws into the bottom unscrews. If I replace this knob, how do I get the rod to stay screwed into the bottom when I remove the lid?
 Reply

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

Hi, Joe. You will need to use Thread Lock. 
 Reply


?     Asked on 5/13/2018by michael lerner

I have a C1200 and the threads in the locking are stripping. Will this part work as a replacement?
 Reply

A  Answered on 5/13/2018 by InyoPools Product Specialist Lennox H.

Hi, Michael. Yes, this is the correct Locking Knob - CX900G for the C1200 filter. It will be wise to also get the Cone Kit - CX900DA which includes the replacement washers, e-clip, and o-ring.
 Reply


?     Asked on 12/29/2017by Walt

I have a model c-900 the thread inside is stripping out had a hard time getting lid off is this the right part???
 Reply

A  Answered on 12/29/2017 by InyoPools Product Specialist Michelle B.

Hi Walt, This will be the correct part for you to order.
 Reply


?     Asked on 6/19/2017by Dennis Shannon

The Hayward model is C19002S is part 4663-01 the correct locking knob replacement?
 Reply

A  Answered on 6/20/2017 by InyoPools Product Specialist Lennox H.

Hi, Dennis. This locking knob will not work, you'll need p/n CX1750G.
 Reply


?     Asked on 6/14/2016by Jeanie

We have the c1900 series. Will this fit?
 Reply

A  Answered on 6/16/2016 by InyoPools Product Specialist Lennox H.

Hi Jeanie, The Locking Knob-CX1750G is the correct one for the C1900 Filter.
 Reply


?     Asked on 5/25/2016by Kenny

Just bought this from you. It leaks around top. What is wrong?
 Reply

A  Answered on 5/25/2016 by InyoPools Product Specialist Dennis R.

Kenny, There is an O-ring underneath the Filter Head. See item #2 in this diagram. Make sure it is intact.
 Reply


?     Asked on 9/23/2014by Guest

We have C1200, will this knob fit the to lid?
 Reply

A  Answered on 9/23/2014 by InyoPools Product Specialist Patrick P.

The lock knob part number cx900g will fit the Hayward C1200 filter.
 Reply


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