Propane characteristics Safety reminders If you smell gas Uncapped lines Safety relief valve Read your tank gauge Appliance safety Lighting pilots Maintenance Gas grilling tips Weather emergencies Download PDF version Disclaimer       Lighting pilots on appliances Notify your propane supplier immediately if you have a problem lighting a pilot. Never attempt to modify or repair the gas control valves or any other component of a gas appliance. Never light a pilot if you smell gas. If you continue to smell gas, even after lighting a pilot, turn off the gas valve immediately upstream of the appliance to stop the flow of gas. Contact your propane supplier immediately to investigate the situation. In most situations it is best to have a trained technician light the pilots on your appliances.