Sebastian L New London , CT April 21, 2017 Appliance: KitchenAid Gas Slide In Range KGST307HBS9 Kitchenaid Range Kgst307hbs9: Leaking gas through valve and regulator assy. How to replace Valve & Regulator Assembly. Isolated gas and electric from range. Removed back cover, disconnected wires and gas lines. Installed new assembly. Reconnected gas and soap bubble tested all disturbed joints. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes