CMP Diverter Assembly J Style, Diverter Valve 25913-204-850

CMP SKU: 25913-204-850
CMP Diverter Assembly J Style, Diverter Valve 25913 - 204 - 850 - img - 1

CMP Diverter Assembly J Style, Diverter Valve 25913-204-850

CMP SKU: 25913-204-850
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CMP 25913-204-850 J-Style Diverter Assembly for HydroSeal Diverter Valve

The CMP 25913-204-850 J-Style Diverter Assembly is a replacement internal diverter used in compatible CMP HydroSealโ„ข diverter valve applications. This part helps direct water flow through the valve body and is commonly used when the original diverter is worn, cracked, leaking, difficult to turn, or no longer sealing properly.

This replacement diverter is designed for pool and spa plumbing valve repair where the existing valve uses the J-style diverter configuration. Replacing a damaged diverter assembly can help restore proper valve operation, water flow control, and sealing performance without replacing the entire valve body.

Product Features

  • Genuine CMP / Custom Molded Products replacement valve part
  • Manufacturer part number: 25913-204-850
  • J-style diverter assembly
  • Designed for compatible CMP HydroSealโ„ข diverter valve applications
  • Used to restore valve flow control and internal sealing
  • Black PVC construction
  • Common replacement for worn, cracked, leaking, or hard-turning diverter assemblies
  • Suitable for pool and spa plumbing valve repair

Product Details

Brand CMP / Custom Molded Products
Part Number 25913-204-850
Product Number CTM-561-1008
Product Type Diverter Valve Assembly / Diverter Kit
Style J-Style
Material PVC
Color Black
Application Pool and spa diverter valve repair
UPC 849640020104

Compatibility

  • CMP HydroSealโ„ข diverter valve applications requiring part number 25913-204-850
  • J-style diverter valve assemblies used in compatible pool and spa plumbing systems
  • Compatible valve bodies where the existing parts diagram calls for CMP 25913-204-850
  • Jandy-style diverter valve repair applications only when the existing diverter matches this part number and design

Common Uses

  • Replacing a worn internal diverter in a CMP HydroSeal diverter valve
  • Repairing a valve that is difficult to turn
  • Correcting poor valve sealing or unwanted water bypass
  • Replacing a cracked or damaged valve diverter
  • Servicing pool and spa plumbing valves during equipment pad repairs

Important Notes

  • This item is the J-style diverter assembly only.
  • Valve body, cover, handle, screws, actuator, unions, and additional O-rings are sold separately unless otherwise stated.
  • Verify your existing valve brand, valve size, diverter style, and part number before ordering.
  • This part is not universal for all pool diverter valves.
  • If the valve body, cover, screw holes, or sealing surfaces are cracked or damaged, replacing the diverter alone may not stop leaks.
  • Use only pool-safe silicone lubricant on valve O-rings when needed.

Installation Notes

  • Turn off the pool pump before servicing the valve.
  • Relieve system pressure before removing the valve cover.
  • Mark the original valve position before disassembly if needed.
  • Remove the valve cover and inspect the diverter, O-rings, cover, screws, and valve body.
  • Clean debris, sand, scale, or old lubricant from the valve body before installing the replacement diverter.
  • Inspect all O-rings and replace worn or flattened seals as needed.
  • Apply a light coat of pool-safe silicone lubricant to O-rings only; do not use petroleum-based lubricants.
  • Reassemble the valve evenly and do not overtighten the cover screws.
  • Restart the system and check carefully for leaks and proper valve operation.

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Maintenance Tips

  • Inspect diverter valves periodically for leaks, stiffness, or poor flow control.
  • Keep valve internals clean and free of sand, scale, and debris.
  • Replace worn O-rings whenever the valve is opened for service.
  • Do not force a stuck valve handle, as this can damage the diverter or valve stem.
  • Maintain proper pool water chemistry to help reduce scale buildup and premature wear.
  • Repair leaks promptly to help prevent damage to plumbing, actuators, and equipment pad components.
Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

  • We do not ship on Saturday or Sunday.
  • Orders totaling more than $300 will require signature confirmation upon delivery.
  • We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3โ€“5 days of handling time before shipping.
  • Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
  • Expedited shipping options are available at checkout.

Return Policy:

  • Products that are received damaged will receive a refund in store credit.
  • Most products are eligible for return within 30 days of receipt, except where noted below.
  • To initiate a return,ย please complete an RMA formย prior to sending your item back.
  • Original shipping costs are non-refundable and will be deducted from the return credit.
  • Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
  • Some returns will be charged an automatic 15% restocking fee.
  • We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
  • Pleaseย complete the return formย to receive your RMA number and return shipping label.
  • Chemical products are not eligible for return under any circumstances.
  • The Pentair Colorsync 618031 is not eligible for return.
  • Pool cleaners are not eligible for return.
  • Opened seals and o-rings are not eligible for return.
  • Capacitors are not eligible for return.
  • Plastic popup tools are not eligible for return.
  • Automation components and circuit boards are not eligible for return.
  • If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
  • Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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