Spray the soapy water onto all of the tank's connecting parts, including the hose connections, valve, regulator, and fittings Open the tank's valve slowly but do not turn the grill on Look for ...

A propane regulator, also called an LP regulator, is one of the most important parts of the grill because it controls the flow of gas from the tank to the burners.

Connect the high-pressure regulator to the propane tank. Turn the gas valve on the main gas cylinder on and test the connections for leaks with soapy water (leaks will create froth). 5.