Ward’s Wardflex Jobsite Assistant is a free app for Android and Apple mobile devices. It enables installers to determine the correct size of tubing needed. It features a “virtual slide rule” sizing calculator that enables the user to easily select all of the values needed for calculating tubing size, including type of gas, supply pressure, pressure drop and length of the run. It instantly calculates the flow capacities of each size of tubing. Features include: frequently asked questions; design and installation guide; breaking news and technical bulletins; products; and contact information.