★★★★★ 5
Effective
Size: 8" x 10" x 2"
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 19, 2025
2" Ortega Check Valve Seat Assembly by CMP | Part 25356-502-000
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
2" Ortega Check Valve Seat Assembly by CMP | Part 25356-502-000Prevent unwanted backflow and keep water moving in the right direction with the CMP Ortega Check Valve Seat Assembly 25356 502 000. Engineered as a drop in replacement for 2 inch Pentair Ortega check valves, this assembly restores proper one way flow control in pool and spa plumbing lines. The valve seat is molded from chemical resistant PVC that holds up to aggressive sanitizers and balanced water chemistry, while stainless steel washers and screws
Quick Dispatch:
Your 2" Ortega Check Valve Seat Assembly by CMP | Part 25356-502-000 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 330 reviews
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Product Reviews
★★★★★ 5
Fits 2021 Acura TLX
Size: 8" x 10" x 2"
Amazon garage and mfg website hadn't caught up, yet: this does fit the 2021 Acura TLX SH-AWD. No problems. New way of getting access -- pinch sides of glove box and drop off of hinge. Old way required removing an access panel.
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Reviewed in the United States on June 14, 2021
★★★★★ 5
Worth it.
Size: 8" x 10" x 2"
Super easy to install. The increased airflow is definitely noticeable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 1, 2024
★★★★★ 5
Starter
Why did you pick this product vs others?:
Good replacement.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 20, 2025
★★★★★ 5
Starter works great
Fits and works great 2005 Mercury mariner 3.0
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025
