Marshall Excelsior MEGR-2360-90 Replacement Propane Regulator w/QCC1 Tip Replacement LP regulator for most LP Propane Gas Grills, Space Heaters, Pole Heaters Model: MEGR-230-90 The MEGR-230 single-stage regulators are approved for use in small portable applications and outdoor cooking appliances utilizing low pressure Inlet Connection: 1/4 FNPT  Outlet Connection: 3/8 FNPT