i have my ef gas system made of 2 componets the converter is i think a NGVI / N-H420-SA /N-C1-1 / WO-0207 / REV-B thats whats writen on it and the mixer is a woodward N-CA200 if some could give me some info on this system i would most grate full thanks mickc

Hi Sounds like your system is made up as a Complex mixer and simple converter. The mixer should have a diaphragm Air Valve. What else do you want to know. TPVM.