The Raypak 600525B is a millivolt natural-gas standing pilot assembly with integral generator designed for Raypak pool and spa heaters. It consists of a pilot burner and an integral millivolt generator (standing pilot configuration) for connection to millivolt control systems. Fits millivolt heater models including 53, 53A, 55A, 105A and specific models such as 185B/C and 265B/C; listings also reference applicability across model ranges 185-405.








