I have an older seastar helm. While bleeding the system after putting in an autopilot pump. My pressure relief unit blewout. I guess that's what it is. The pressure relief unit I have has 3 lines coming from the helm. Port, starboard and then a return line. Going out it has the 2 lines to the strut. Researching the replacement unit it looks like it only has three fittings, and I saw the fitting kit for it which has 2 t fittings. Is this the new units configuration? Any help is appreciated.