Flange Clamp, Noryl - GMX600NM



Part # 4802-03D

By Hayward Pool Products

  5 Average  



Part # 4802-03D

Manufacturer Code GMX600NM

Dimensions 9-5/8" x 4-1/8"

Alternate Part #'s 31-150-1240, GM-600-NM, GM600-NM, GM600NM, GMX600NM, HAY-051-2344, HAY0512344, HAYGMX600NM

Product Description

 2-piece black Noryl plastic clamp used on various Hayward top mount sand filters including Sand Master, Swim Pro, Pro Series Top Mount and E-Series.  Clamps the filter valve to the tank.  Part number GM600-NM is molded into each half.

Clamp components:

  • (2) clamp halves
  • (2) 2-1/8" bolts
  • (2) nuts
  • (2) rubber end caps (for bolts)

Additional dimensions:

  • 9-9/16" long from screw end to screw end
  • 15/16" thick at each end from top to bottom
  • 13/16" thick on the sides from top to bottom

?     Asked on 6/11/2019 by Roger

Does this clamp fit the 4802-01cp valve?

A  Answered on 6/12/2019 by InyoPools Product Specialist Matt S.

Yes, the GMX600NM Noryl valve clamp fits the Hayward SP714T and the PureLine PL0714.

?     Asked on 5/30/2019 by Olga RAMOS

Will this fit model SW 256T

A  Answered on 5/30/2019 by InyoPools Product Specialist Lennox H.

Hi, Olga. Yes, this Clamp - GMX600NM will fit the SW-256T model filter. 

?     Asked on 2/19/2019 by raffaele

flangia di chiusura per valvola swimpro modello no.sp-711sw

A  Answered on 2/19/2019 by InyoPools Product Specialist Hector F.

Yes, this is the correct valve for the model Swim Pro SP-711SW filter. 

?     Asked on 7/2/2018 by Raul Gonzalez

Is it typical to change clamp when changing the o-ring? Does the clamp loose grip/form over time?

A  Answered on 7/2/2018 by InyoPools Product Specialist Hector F.

Not necessarily. You may just need to replace the o-ring. Sometimes the clamps expand and will need to be replaced or even just get brittle and break over the years. 

?     Asked on 6/15/2018 by Steve

Will this clamp fit series vari-Flo xl model sp0714tc

A  Answered on 6/15/2018 by InyoPools Product Specialist Lennox H.

Hi, Steve. Yes, it will when installed on one of these Hayward Filter Models

?     Asked on 6/12/2018 by paul sep

Will this fin an intx SF80110 sand filter?

A  Answered on 6/14/2018 by InyoPools Product Specialist Joe S.

Good morning, the Flange Clamp, Noryl (gmx600nm) will only fit Hayward E-Series Top Mount Sand, E-100, 200, 250.

?     Asked on 6/10/2018 by Dawn Ferrigno

Hi, will this clamp fit a Blue wave sand filter model # NE6145. My instruction manual says the part I need is a flange clamp model # AC 83364.

A  Answered on 6/10/2018 by InyoPools Product Specialist Lennox H.

Hi, Dawn. This Flange Clamp - will not fit the NE6145 model system. We do not carry replacement parts for that system.

?     Asked on 5/27/2018 by michelle

Will this clamp fit a Best Choice Products Pro 2400GPH 13" Sand Filter Above Ground Swimming Pool Pump 10000GAL

A  Answered on 5/27/2018 by InyoPools Product Specialist Lennox H.

Hi, Michelle. This Clamp will not fit that model unit. We do not have a clamp that will fit this unit. 

?     Asked on 4/2/2018 by joe speights

yes can u tell me if I can by metal clamps to replace gmx600nm

A  Answered on 4/2/2018 by InyoPools Product Specialist Lennox H.

Hi, Joe. Unfortunately, there is not a metal substitute for Part # GMX600NM. 

?     Asked on 5/29/2016 by Mike C

Does this part fail often? I replaced the O ring but the filter still leaks from both sides of the flange clamps. You can't see any cracks on the flange clamps but perhaps it is a hairline crack. Could anything else be leaking that would cause water to pour out from the flange clamps?

A  Answered on 6/4/2016 by InyoPools Product Specialist Lennox H.

Hi Mike, This part can fail. Given what you've described the o-ring could have been installed incorrectly. Recheck the o-ring, make sure it's lubricated nd installed properly. Check the tank for any cracks, if it still leaks then replacing the clamp can resolve your problem.

?     Asked on 4/15/2016 by

Will this clamp fit a monarchpoolsystem filter tank Serial No FL074458 Model No S21.The opening is 254mm across. Thank you.

A  Answered on 4/15/2016 by InyoPools Product Specialist Lennox H.

Hi, Unfortunately, I was unable to find any info on the Monarch Pool Systems that will confirm if this Flange Clamp will work.

?     Asked on 6/9/2015 by B

Will this clamp work on a S244T Pro Series top mount sand filter produced in the 1990's? What about the other parts, will they work to replace parts on the filter sold in the 1990? Thank you

A  Answered on 6/9/2015 by InyoPools Product Specialist Patrick P.

Hi B., Yes this is the correct clamp for a Hayward S244T Pro Series Sand Filter. The parts on the Hayward Pro Series Sand Filter Exploded Parts Diagram would be all the correct parts for a S244T sand filter from the 1990's.

?     Asked on 5/31/2015 by samir

Hi.will this fit my s310 t?thank you.

A  Answered on 5/31/2015 by InyoPools Product Specialist Hector F.

Unfortunately no. The correct clamp to use on this model is here. The clamp you are looking at is for a different group of similiar models.

?     Asked on 5/27/2015 by Stan Carter

Will the Hayward GMX600NM clamp replace the Praher TM-12 Clamp

A  Answered on 5/27/2015 by InyoPools Product Specialist Patrick P.

Hi Stan, The clamp is actually part of the filter so we would need to know which filter you have to know which clamp you need. If you do have a Hayward top mount sand filter like the S166T, S180T, S210T or S244T then the GMX600NM clamp would be the correct clamp.

?     Asked on 1/17/2012 by Guest

Can you buy just the bolts without buying the whole flange clamp?

A  Answered on 1/17/2012 by InyoPools Product Specialist Patrick P.

The bolts are not sold separately, you may be able to find suitable replacements at a hardware store. If that option does not work then a assembly would need to be purchased.


Est. Repair Time

Less than 1 hr

Tools Needed


Had to replace old filter and flange was weathered and old, leaking

Written on 7/1/2019 by Guest

Very simple install, use a large screwdriver (Philips or flathead), and remove the old flange by unscrewing two small screws, remove old flange. Install new 2-piece flange starting by placing the two flange pieces around the joint between the top of the sand filter and the bottom lip of the filter. set the square nuts in the flange and thread the bolts through both flange piece, and tighter 1/2 way.

Repeat on other side and then alternating each side tighten flange is fully tight. Turn on system and test, making tightening adjustments to the new flange bolts. Once no leaks are seen, apply the small rubber bolt ends to the bolts to keep from corroding. Very easy install.

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