R0457503 | Zodiac Igniter for Hi-E2 Heater Jandy A41-25-24 What causes cracks around the

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R0457503 | Zodiac Igniter for Hi-E2 Heater Jandy A41-25-24 What causes cracks around theThe 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