Raypak 155 Control Box W/O Thermostat [NG] [IID] (003790F)

Raypak 155 Control Box W/O Thermostat [NG] [IID] is a replacement heater parts component intended for use when servicing compatible Raypak pool and spa heater models. This part is best used when the existing component is worn, damaged, missing, corroded, or no longer performing its role in the heater assembly. Because Raypak model families can include similar-looking parts with important differences in size, fuel type, ignition style, rating, or production range, the original part number 003790F should be checked before ordering.

This component is connected to heater ignition, electrical control, or wiring service, supporting dependable communication between the safety controls, ignition system, and burner operation. Electrical and ignition-related heater repairs require careful confirmation of voltage, ignition type, gas type, and connector layout. When troubleshooting intermittent firing, no-start conditions, lockout behavior, or failed controls, matching the exact Raypak replacement number helps reduce installation issues and unnecessary returns.

• Designed for compatible Raypak heater service applications using part number 003790F.
• Helps support supporting dependable communication between the safety controls, ignition system, and burner operation.
• Useful for replacing a worn, damaged, corroded, or missing original heater component.
• Recommended for model-specific repairs where exact fitment is more important than a generic substitute.
• Confirm heater model, fuel type, ignition style, voltage, and production details where applicable before installation.