If your grill,hotplate, griddle etc runs on 11"WC (approx 6.35oz) then go for it. Most of the "portable" grills use the disposable bottles and the fixture that it screws into on the appliance is the regulator (usually has the flame adjustment on it) If your grill has a conventional regulator or has individual burner controls you should be able to remove the oem hose and connect to your RV's quick disconnect.On the disposable bottle units unless there is a "factory" kit to convert to low pressure it is best to tee in ahead of your RV's regulator and use the existing appliance hose.