Graco 24K842 Ld Series 3:1 Deluxe Stationary 275 Gallon (1040 Liter) Oil Pump With Sd™ Series Hose Reel Package Manual Meter Type 30A and a one hand push to connect FLUID ORIFICE x AIR CAP:1.7 X 1095T and a one hand push to connect quick coupler Pump: Equipped with the Mi T M Pressure Relief Start which eliminates pressure build up in the system · External bypass system allows more water into the system to protect from heat build up · Forged brass manifold · Thermal relief valve · Water filter with clear sleeve for screen inspection Engineered for Durability Patented cup and plate design eliminates the need for O rings that wear out faster for a more durable and an inlet strainer is built in to protect pump from contaminants