Raypak Model 403B/405B Burner Hold Down 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 004397F should be checked before ordering.For repair work involving Model 403B/405B Burner Hold Down, this part addresses burner retention and combustion-area service, helping secure the burner assembly so it remains properly positioned. It is suited for targeted maintenance where the technician has already identified the failed component and needs a direct replacement rather than a universal substitute. Check the old part, model plate, and heater manual to confirm fit before starting the repair. Designed for compatible Raypak heater service applications using part number 004397F. Helps support helping secure the burner assembly so it remains properly positioned. 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.
