This safety valve is suitable for all Wilesco models (produced in 1990 and earlier). as Wilesco models manufactured before 1990 use M6×1 threads. In addition, Wilesco models produced after 1990 adopt M6×0.75 fine threads.
Microcosm JW-9 Brass Non-Adjustable Bell Whistle — For Live Steam Engine Models
Microcosm MW-6 Brass 2-Stage Non-Adjustable Steam Whistle-For Steam Engine Model
Microcosm JW-7 Brass Adjustable-Tone Bell Whistle — For Live Steam Engine Models
Microcosm JW-5 Brass Adjustable-Tone Bell Whistle — For Live Steam Engine Models
Microcosm JW-4 Brass Adjustable-Tone Bell Whistle - For Live Steam Engine Models
Microcosm JW-8 Brass Adjustable-Tone Bell Whistle — For Live Steam Engine Models
