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.
R0589405 | Jandy Heat Exchanger Assembly for JXi 400 Heaters
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Jandy Heat Exchanger Assembly R0589405 is a genuine replacement part engineered for use with JXi 400 pool and spa heaters. This component plays a critical role in the heating process by transferring heat from the burner to the water, helping maintain consistent water temperature and energy efficiency. Manufactured from durable, corrosion-resistant materials, this heat exchanger is designed to handle the thermal and chemical stresses of routine pool operation. Replacing a worn or malfunctioning exchanger with this OEM part restores system integrity, improves heater efficiency, and helps prevent costly breakdowns. It's an essential upgrade for maintaining peak heater performance and ensuring your pool or spa remains comfortable year-round.
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Genuine Jandy Replacement: Specifically engineered for JXi 400 heaters to ensure exact compatibility and trouble-free installation
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Optimized Heat Transfer: Promotes effective energy use by efficiently conducting heat from the burner to the pool or spa water
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Durable Construction: Crafted from robust materials designed to resist corrosion and withstand continuous exposure to heat and pool chemicals
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Restores Heater Efficiency: Helps recover lost heating power and performance caused by scale buildup, corrosion, or damage
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Essential Maintenance Component: Critical for extending the service life of your Jandy heater and maintaining a reliable temperature in your pool or spa
- (1) Heat Exchanger
- Jandy JXI 400,000 BTU Heater Models