CNG (Natural Gas) Low Pressure Control Valve - Low Output This low pressure control valve is designed to convert your Magma grill from a Type 1 control valve/regulator and 1-lb propane fuel canister to any pre-regulated, low pressure, on-board CNG (natural gas) fuel system. Stainless steel and brass control valve connects to the systems low pressure side of the regulator.*Must be used with Magma Connection Kit Compatible With:Marine KettleA(R) Gas Grills and Rectangular Grills with 9" x 18" Grilling Surface*Sold as an Individual Owner&';s Manual (pdf)