Replacement Ignition Control Module R0408100 for Select and Jandy Pool Heaters Quick summary A direct replacement ignition control module designed to restore reliable ignition and control functions for compatible pool heaters. Part number R0408100 replaces the original ignition control assembly to resolve ignition failures and intermittent startup problems. Key benefits Restores ignition reliability: Replaces a failing control module to get your heater back to normal operation without replacing the entire unit. Direct compatibility: Designed as a dropin replacement for the specified Select and Jandy pool heater models that use part number R0408100, ensuring proper fit and function. Simplifies troubleshooting: Swapping the module isolates ignition control issues, helping diagnose whether the heater requires additional service. Durable design: Built for continuous pool equipment operation with a compact control module format that fits the existing mounting and wiring points. What this part does Controls the ignition sequence and safety checks needed to start the heater burner. Interfaces with existing thermostat, gas valve, flame sensor, and safety circuits used by compatible heater models. Restores the heater control logic and timing that manage startup and shutoff. Compatibility and fit Part number R0408100 replacement for Select and Jandy pool heaters that list this module in their parts breakdown. Intended as a direct replacement for the original ignition control module; uses the same connectors and mounting locations as the factory part. Performance and quality notes Replaces a faulty ignition control to resolve noignite conditions, repeated lockouts, or intermittent starting. Compact module designed to fit inside the heater control compartment and integrate with existing wiring harnesses. Typical use scenarios a failed ignition module after the heater cycles through startup but never lights. Install during routine heater maintenance when testing indicates the control module is the source of ignition faults. Swap out a module that causes frequent lockouts due to control timing or ignition signal failures. Installation and service guidance Intended for technicians or experienced DIYers familiar with pool heater electrical and gas components. Follow all local codes and manufacturer service instructions for safe installation and testing. Verify model compatibility and part number R0408100 before ordering to ensure correct fit. Part identification Model: R0408100 Function: Ignition control module replacement for compatible Select and Jandy pool heaters This module replaces the original ignition control to restore proper heater start and control functions. Verify compatibility with your heater model and wiring harness before installation.