Jenny/Emglo Master Series Regulator Replacement Kit - MR14 / 632-1103
MR14 regulator replacement kit sits inside the panel assembly and includes the regulator knob, spring, and seals.
This is a common regulator kit for the Emglo hand carry air compressors, and will work with the M40, M79, M84, M400, M790, and the M800.