A priming tray for priming a fluid system, the priming tray comprising:a body having a base wall and a plurality of side walls upstanding from the base wall to define an interior reservoir for holding a volume of fluid, the base wall defining an angled base surface;an inlet port in one of the side walls and having an inlet valve connector configured to receive a first connecting tubing of a first component of the fluid system; andan outlet port in one of the side walls and having an outlet valve connector configured to receive a second connecting tubing of a second component of the fluid system,wherein the body is tiltable from a first position to a second position where the body is supported on the angled base surface.