The Whirlpool WP15418 Natural Gas Burner Orifice regulates gas flow to the burner in compatible natural gas dryers. This replacement component features a precisely sized opening that meters the amount of natural gas delivered to the burner assembly. As gas passes through the orifice, it reaches the burner for mixing with air and ignition, producing the heat required for the drying cyc... https://www.partsmelange.ca/whirlpool-wp15418-natural-gas-burner-orifice-for-dryer