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.
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Waterway 417-5050 Heater Union Tailpiece | Split Nut | 2"
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Waterway Split Nut Heater Union Tailpiece 417-5050 is a heavy-duty 2-inch connector built for integrating PVC plumbing with pool and spa heater units. It features a 2-inch buttress thread on one side and a 2-inch slip connection on the other, allowing it to join standard plumbing lines securely. The included gasket provides a reliable, watertight seal that enhances overall system safety and minimizes leak risk. Manufactured from high-grade, pool-compatible materials, this tailpiece is designed to perform under demanding conditions and support consistent heating system operation in both new setups and retrofits.
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Compatible with 2" PVC Systems: Tailpiece includes both buttress thread and slip end to match common pool and spa plumbing dimensions.
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Watertight Sealing Performance: Supplied with a durable gasket to eliminate leaks and improve system reliability near heaters.
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High-Precision Tailpiece Design: Offers a snug, vibration-resistant fit that maintains tight connections over time.
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Durability Under Harsh Conditions: Withstands high pressure, chemical exposure, and fluctuating temperatures in heated water systems.
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Optimizes Heater Safety and Function: Ensures stable plumbing integration for efficient heat transfer and safer long-term use.
(1) Waterway Split Nut Heater Union Tailpiece | 2" | 417-5050