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.
711-6020 | Waterway 2.5" Heater & Pump Union Gasket
Fits these models (3)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Waterway 711-6020 Heater Union Gasket is an OEM-quality ribbed seal designed for 2½-inch heater or pump unions, often used with Waterway SVL56 high-flow pumps and Executive faceplates. Constructed from durable, chemical-resistant material, it ensures a tight, leak-free connection under high pressure and frequent thermal cycling. Precision-molded for reliable alignment, this gasket fits inside diameters around 2-7/16" and outside diameters of 3-7/16", helping maintain optimum water flow and preventing bypass that compromises system efficiency. A trusted component for leak prevention and long-term performance in demanding pool or spa environments.
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Designed for 2½″ Heater or Pump Unions: Engineered specifically to replace original gaskets in Waterway SVL56 high-flow heater unions and Executive faceplate unions.
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Ribbed Design for Superior Sealing: Ribbed profile ensures tight sealing under pressure and prevents leaks that can reduce water flow or damage components.
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Durable & Chemical-Resistant Material: Crafted to withstand harsh pool chemicals, thermal cycling, and repeated use for long-lasting performance.
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Precisely Sized for OEM Fit: Tailored with an inner diameter of ~2-7/16" and outer diameter of ~3-7/16" to match union fitting dimensions precisely.
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Enhances System Reliability: Helps maintain stable water circulation and reduces maintenance by preventing leaks and ensuring efficient heater operation.
- (1) Gasket
- Waterway SVL56 High-Flow Pumps
- 2.5-inch Heater
- 2.5-inch Pump Unions