550-7500 | Waterway Filter Lock Nut For ClearWater II Filters
Couldn't load pickup availability
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Waterway Filter Lock Nut 550-7500 is a high-strength replacement component engineered for Waterway ClearWater II cartridge and D.E. filter systems. This lock nut securely fastens the filter lid to the tank, ensuring a leak-resistant seal critical for proper filtration performance. Constructed from durable materials to withstand pool chemicals and pressure, it is a reliable part for both routine maintenance and long-term system efficiency. Compatible with a wide range of ClearWater II models, this OEM nut helps maintain filtration integrity in residential and commercial pool environments.
-
Fits ClearWater II Filter Models: Specifically designed for use with Waterway ClearWater II cartridge and DE filter systems for exact fit and dependable performance.
-
Secures Filter Lid Tightly: Ensures the filter lid is properly fastened, forming a reliable seal that prevents leaks and supports optimal filtration pressure.
-
Built for Harsh Pool Conditions: Manufactured from rugged, pool-safe materials that resist cracking, fading, and chemical exposure over time.
-
Essential for System Integrity: Helps preserve the filter tank’s structural and operational integrity by maintaining secure lid placement.
-
Long-Term Maintenance Solution: Ideal for replacing worn or cracked lock nuts to restore proper function to aging filtration systems.
- (1) Waterway 550-7500 Lock Nut
- Waterway ClearWater II Cartridge Filters
- Waterway ClearWater II DE Filters
- Bottom Outside Diameter: 17"
- Bottom Inside Diameter: 17-5/8"
- Top Diameter: 16"
- Entire Diameter: 20-3/8"
Note: See product pictures for a visual of the dimensions
Find the Right Lock Nut for ClearWater II Filters
waterway 550-7500 filter lock nut replacement
clearwater ii cartridge filter lid lock nut
de filter lock nut for waterway 550-7500
secure lid for waterway clearwater 2 filter system
compatible nut for clearwater ii housing top
Maintenance and Leak Prevention Queries
filter lid leaking replace with 550-7500 lock nut
water spraying from top of filter use oem nut
how to tighten waterway clearwater ii filter lid
best way to seal cartridge filter top housing
clearwater de filter lid won’t stay tight
Specs and System Fitment
fits all waterway clearwater ii filters
durable plastic nut for sealing filter tops
locks down lid to maintain filter pressure
high quality thread for long-term use
oem waterway part number 550-7500
Questions & Answers
Have a Question?
Be the first to ask a question about this.