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.
Waterway 400-4300B Pump Union Nut | 2" With 45° Spigot & O-Ring
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Waterway 2" Pump Union Nut with 45-Degree Spigot and O-Ring 400-4300 is a high-quality union assembly designed to create a watertight, efficient connection between pool or spa pumps and plumbing systems. This kit includes a 2-inch union nut, a 2-inch spigot angled at 45 degrees for directional flexibility, and an O-ring to ensure a secure seal. Ideal for installations in compact or angled setups, the 45-degree design eases alignment and reduces stress on piping. Built from durable, corrosion-resistant materials, it supports long-lasting performance in demanding aquatic environments.
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Complete 2" Union Assembly: Includes union nut, angled 45-degree spigot, and O-ring for a full sealing solution.
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Angled for Versatility: 45-degree configuration helps navigate tight or awkward plumbing routes with ease.
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Optimizes Hydraulic Flow: Ensures smooth water movement between the pump and piping system.
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Chemical and Corrosion Resistant: Designed for use in chemically treated pool and spa systems with high durability needs.
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Flexible Installation Use: Perfect for both initial builds and retrofitting circulation system upgrades.
- (1) 2-inch union nut
- (1) 2-inch spigot angled at 45 degrees
- (1) O-ring