Seamus O Westwood , MA January 27, 2015 Had to convert my stove and dryer from propane to natural gas Ordered the parts from appliance parts pros and installed parts I did have to drill out the existing screws holding the existing orfice holders as the existing screws were rusted out Read More... 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Nut Drivers, Screwdrivers, Socket Set