Check the listing for details. Bulk Propane (LP) Conversion Kit For Weber Summit E/S-470. Condition: New. Listed at 119.99 USD. Aftermarket Bulk Propane (LP) Conversion Kit For Weber Summit E/S-470Listing is for Converting a Weber Summit E/S-470 From Natural Gas (NG) to Bulk Propane (LP)Kit Consists of 8 New Propane Orifices Drilled to Factory Set BTU's Main Burner Orifice x 4Smoker Burner Orifice x 1Sear Burner Orifice x 1Rotisserie Burner Orifice x 1Side Burner Orifice x 1 Low Pressure Propane Regulator - Outlet Pressure 10" Water Column (W.C.) Low Pressure Bulk LP Hose with Quick Disconnect Fitting Brass Pipe Adapter Fittings Orifice Installation Tool x 2 Installation Instruction Guide *** THIS KIT IS FOR CONVERTING TO A BULK (LARGE) PROPANE SYSTEM OR TANK. NOT A 20 POUND TANK. IF YOU ARE CONVERTING TO NATURAL GAS, WE HAVE THOSE KITS LISTED IN THE NG CATERGORY ***