CMP

CMP 25831-000-100 P-Style Slide Valve Internal Assembly

SKU: 25831-000-100 UPC: 849640019795
Regular price $109.95
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Quick Facts
H-Style Valve Internals
SPX0410BA Cross-Reference
Internal Repair Assembly
Valve Body Not Included
CMP Aftermarket Part
Key Benefits +
  • Replaces worn internals in a compatible H-style valve
  • Provides the SPX0410BA part cross-reference
  • Allows service when the external body remains sound
  • Helps restore proper flow selection after a confirmed internal fault
How to Use +
1 Confirm the H-style valve body and SPX0410BA replacement reference before ordering. Have a qualified pool professional stop the pump and release all system pressure before service. Inspect the existing valve body before deciding whether internal repair is appropriate. Follow the applicable valve instructions for replacement and operating checks.
Specifications +

Brand: CMP

Part Number: 25831-000-100

Product Type: Slide valve internal assembly

Valve Style: H-style / Hayward-style

Current Manufacturer Cross-Reference: Hayward SPX0410BA

Application: Compatible H-style slide valve bodies

Scope: Internal replacement assembly; external valve body not included

Replacement Status: CMP aftermarket part

UPC: 849640019795

Buy with Confidence from Benchmark Pool Supply +

Benchmark Pool Supply can help you identify the correct slide valve internals before ordering. Use the CMP 25831-000-100 and Hayward SPX0410BA references, and confirm the H-style valve body with your service professional.

Buy with Confidence from Benchmark Pool Supply

  • Trusted pool professionals
  • 100% Genuine Manufacturer Parts Guaranteed
  • Shipping options for eligible products
Returns subject to product eligibility
Expert Product Support
Full Product Description +

Slide valves play a critical role in DE filter operation by directing water flow during normal filtration and backwashing. When a slide valve becomes stiff, leaks internally, or fails to seal correctly, filter performance is compromised and water may bypass the filtration system entirely. The CMP P-Style Slide Valve Internal Assembly is a complete internal replacement designed to restore proper function to compatible P-style slide valves used on DE pool filters.

This internal assembly replaces the moving internal components responsible for sealing and flow direction inside the valve body. Rather than replacing the entire valve housing, this repair part allows pool owners and service professionals to restore reliable valve operation while reusing the existing external plumbing connections.

Designed for durability and OEM-correct fit, this replacement assembly helps return DE filtration systems to proper working order.


Restores Proper Valve Sealing and Operation

Over time, internal slide valve components wear due to pressure changes, repeated backwashing cycles, and chemical exposure. When internal seals fail, water may leak past the valve or bypass the filter grids, reducing filtration efficiency.

The CMP P-Style Slide Valve Internal Assembly restores correct internal sealing and smooth valve movement. Once installed, it allows the valve to switch cleanly between filtration and backwash modes, ensuring water flows through the filter media as intended.

This repair is often the preferred solution when external valve bodies remain in good condition.


Designed for CMP P-Style Slide Valve Compatibility

This internal assembly is manufactured specifically for CMP P-style slide valves used on DE filter systems. Proper fitment ensures correct alignment within the valve housing, maintaining reliable sealing and smooth operation.

Using the correct internal assembly helps prevent leaks, sticking handles, and incomplete valve engagement.


Durable Construction for Demanding Filter Environments

Slide valve internals are exposed to constant water pressure, chemical-treated water, and mechanical movement. The CMP internal assembly is constructed from durable, chemical-resistant materials designed to withstand these conditions without deforming or degrading prematurely.

This durability supports long-term valve reliability and reduces the need for repeated repairs.


Why Replacing Slide Valve Internals Matters

Worn or damaged slide valve internals can affect the entire filtration system.

Replacing the internal assembly helps:

  • Restore proper filtration and backwash flow paths

  • Prevent internal bypass and water leakage

  • Improve DE filter performance and efficiency

  • Extend the service life of the slide valve

Addressing internal valve issues early helps avoid more extensive plumbing or filter repairs.


Product Specifications

Specification Details
Product Name CMP P-Style Slide Valve Internal Assembly
Part Number 25831-000-100
SKU 25831-000-100
Manufacturer CMP
Component Type Slide valve internal assembly
Valve Style P-style slide valve
Application DE pool filter systems
Material Chemical-resistant components
Function Restores internal sealing and flow
Installation Internal valve repair

Buy with Confidence from Benchmark Pool Supply

When you purchase the CMP P-Style Slide Valve Internal Assembly from Benchmark Pool Supply, you’re buying from a locally owned pool supply retailer that understands real-world filter repairs and service-grade solutions.

Benchmark Pool Supply supports homeowners and pool professionals with correct-fit replacement parts, knowledgeable guidance, and convenient online ordering with in-store pickup. We focus on components that restore performance without unnecessary replacements.

CMP 25831-000-100 P-Style Slide Valve Internal Assembly
Regular price $109.95

Frequently Asked Questions

What type of slide valve uses CMP 25831-000-100?

What type of slide valve uses CMP 25831-000-100?

CMP identifies it as an H-style internal assembly for compatible Hayward-style slide valve bodies. It is not the P-style internal assembly.
What Hayward part does CMP cross-reference?

What Hayward part does CMP cross-reference?

CMP's current product page lists SPX0410BA. Match that reference and the existing valve body to the applicable parts diagram.
Does this part replace the entire slide valve?

Does this part replace the entire slide valve?

No, this is an internal replacement assembly that installs inside the existing slide valve body.
Is 25831-000-100 a genuine Hayward replacement?

Is 25831-000-100 a genuine Hayward replacement?

No. It is a CMP aftermarket internal assembly using the stated Hayward cross-reference.
When is replacing the internals appropriate?

When is replacing the internals appropriate?

Internal replacement may be appropriate when inspection confirms worn internal components and the valve body remains sound. A cracked or damaged body requires a different repair.