For connection to your onboard LPG (propane) system. The system is connected downstream from the propane bottle regulator using this low pressure gas connection kit. Includes all necessary brass fittings, safety shutoff valve and 10' of pre-assembled, leak-tested hose. Requires the correct control valve for your barbecue to complete the system hookup: Low-output control valve for Magma Marine Kettles, ChefsMate, Newport and Cabo Grills: Model 236943 Medium-output control valve for Magma Catalina Grill: Model 8035776 High-output control valve for Magma Monterey Grill: Model 8035800