Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
711-4200 | Waterway CrystalWater 2.5" Beveled Bulkhead Gasket
Fits these models (2)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Waterway 711-4200 CrystalWater 2½″ Beveled Bulkhead Gasket is the OEM-quality seal used in CrystalWater cartridge and D.E. filter systems. Crafted to match precise specifications—including predecessors like 314642, 4742-149, and 806105251824—this durable gasket fits securely in the bulkhead fitting, creating a leak-proof, waterproof connection between tank sections. Made from chemical-resistant material, it endures exposure to sanitizers and fluctuating pressure and is engineered to be installed with the bevel facing inward for optimal sealing. Its standard 2½″ size makes it compatible with a wide range of Waterway filter models, ensuring trusted performance and filtration integrity that lasts.
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OEM Replacement Gasket: Perfect direct fit for Waterway CrystalWater bulkhead fittings—ideal for cartridge and D.E. filter applications.
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Superior Leak Protection: Creates a tight, beveled-edge seal to prevent water intrusion and preserve system filtration efficiency.
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Chemically Durable Construction: Built to resist breakdown from chlorine, sanitizers, and normal filter pressure cycles for reliable long-term use.
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Beveled Design for Proper Install: Engineered with a bevel that must face inward, ensuring consistent sealing when fitted, as outlined in installation instructions.
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Versatile Compatibility: Supported for use in multiple Waterway filter systems and as a replacement for older part numbers, offering flexibility and cross-model utility.
- (1) Gasket
- Waterway CrystalWater Cartridge Filter Systems
- Waterway CrystalWater D.E. Filter Systems