the 415-48642-00 is the official manufacturer-designated replacement

Is the 354081 probe compatible with the model 750 controller

For burnout cleanup or suction side protection

This part is the direct technical successor to the legacy 5H73837-4 model

installing this flame rollout sensor is a standard procedure when addressing safety circuit faults

Raypak 004675F Circuit Board 30067439-890 the 415-48642-00 is the officialThe Raypak 004675F Circuit Board is an essential OEM replacement Economaster relay board engineered specifically for Raypak atmospheric heaters. Designed for seamless integration with the Raypak heater control system, this PC board manages the critical millivolt ignition system and pump off delay functions to prevent thermal shock in the heat exchanger. As a direct replacement for Raypak part 004675F, it ensures proper sequencing of the transformer