Answer Hello Del, You will need to remove the large nut on the regulator and there will be a small device inside it called a gas stop. This piece will need to be flipped over and reinstalled. After re-installing the large nut and turning the gas back on you will need to check for leaks with a lightly soaped water mixture, (one teaspoon of liquid detergent to one quart of water), before re-establishing the power to the unit. Read More... Answered by AppliancePartsPros.com | Saturday, February 3, 2018