The Rankin Delux RDHP-08 top burner valve regulates gas flow to a compatible commercial cooking burner. Its specified connections include a 1/8-inch inlet and a 3/8-inch NPT outlet, dimensions that are important when matching the valve to the existing gas line and equipment assembly. The valve provides manual gas-flow control according to the appliance design. Before ordering, verify ... https://partsfe.com/valve-top-burner-for-rankin-deluxe-part-rdhp-08/1-RDHP-08.html