By Custom Molded Products



Part # 25831-000-100

Alternate Part #'s 25831-000-100, 27-605-2000, CMP25831000100, CTM-051-3002

Product Description

The Piston Rod Assembly is an aftermarket replacement part by CMP for Hayward SP-410X Slide Valve. This valve is commonly used on the Hayward Micro Clear & Pro Grid DE filters. This is the internals only for the SP0410 Series valves.


?     Asked on 4/20/2015by dan bohn

Does this slide valve replacement come with nut on top that holds the assembly into valve body?

A  Answered on 4/20/2015 by InyoPools Product Specialist Robert M.

Hello Dan - This does include the nut that secures the internal to the valve body.

?     Asked on 2/15/2016by Gail

Does this come with the o rings?

A  Answered on 2/15/2016 by InyoPools Product Specialist Andy O.

Gail- The 25831-000-100 Slide Valve Internal, (SPX0410BA) does include the 2 o-rings.

?     Asked on 10/30/2016by Angel

Bottom of slide valve, what is the size. Mine only fits one that is 2 inches wide.

A  Answered on 10/31/2016 by InyoPools Product Specialist Lennox H.

Hi Angel, The piston diameter is 2-3/16 inches, which will fit the 2" Hayward Slide Valve - SP410X.


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 (Average 4.75  out of 5 stars)
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