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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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R0457503 | Zodiac Igniter for Hi-E2 Heater
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The Zodiac R0457503 is an OEM hot surface igniter assembly designed specifically for the Jandy Hi-E2 gas pool and spa heater series. The hot surface igniter is one of the most critical components in the heater's ignition system, heating rapidly to an extreme temperature to ignite the gas burner at the start of each heating cycle, which eliminates the need for a standing pilot light and provides fast, reliable on-demand ignition. A failed or degraded igniter is one of the most common causes of a Hi-E2 heater failing to light, triggering fault codes, or cycling through ignition attempts without firing. The R0457503 restores the ignition sequence to full factory performance and is part of Zodiac's R045750X igniter series, with each variant engineered for a specific Jandy heater model lineup. Professional installation by a qualified pool heating technician is recommended.
- Zodiac OEM Hot Surface Igniter: The R0457503 igniter assembly is manufactured by Zodiac to exact Hi-E2 heater specifications, providing the correct fit, heating element performance, and full ignition system compatibility with the Jandy Hi-E2 gas pool and spa heater series rather than the variable quality often seen with aftermarket replacements.
- Fast On-Demand Burner Ignition: The hot surface igniter heats to ignition temperature in seconds at the start of each heating cycle, delivering consistent, dependable burner ignition without the standby energy waste or routine pilot maintenance demands associated with older standing pilot light heater systems.
- Common Fix for No-Light Lockout: A failed or degraded igniter is one of the leading causes of Hi-E2 heater lockout conditions, repeated ignition attempts without firing, and fault code display, and replacing the R0457503 is typically the fastest, most cost-effective path back to full heater operation when troubleshooting these symptoms.
- Model-Specific R045750X Series Igniter: The R0457503 is part of Zodiac's dedicated R045750X igniter series, with each variant purpose-built for a specific Jandy heater model platform, ensuring the correct igniter element size, mounting configuration, and electrical specifications for the Hi-E2 series rather than a generic one-size-fits-all igniter.
- Have a Qualified Tech Perform the Install: Because the igniter is integral to the gas ignition system, installation of the R0457503 by a qualified pool heating technician is strongly recommended to ensure safe, code-compliant operation of the heater and to preserve the equipment's existing warranty coverage on related components.