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The Sta-Rite HP series booster pumps are built for car wash, filtration, reverse osmosis, pressure washing (residential, commercial or agricultural), booster and spray systems, HVAC systems and general purpose pumping applications. These pumps are among the most durable booster pumps available. The SignaSealTM floating impeller design minimizes thrust loads allowing for continuous operation without damage to motor bearings, mechanical seal, or pump hydraulic components. Not rated for domestic water use. Features: Proven SignaSeal staging system utilizes a ceramic wear surface that dominates with 1st-in-class performance. Superior sand-handling and thrust management staging system Precision-molded acetal impellers for perfect balance.  Ultra-smooth for highest performance and efficiency Precision-molded diffusers offer superior performance with high resistance to corrosion and abrasion Precision lapped and highly polished carbon-ceramic mechanical shaft seal with stainless steel parts guarantees continuous water lubrication Superior motor winding insulation materials protect against excessive moisture and contaminants assuring prolonged motor life Precision rotor is die-cast under high pressures for uniform performance and greater efficiency All electrical components are protected from dirt, dust, and insects by a dustproof canopy which the ventilating air cannot contaminate STA-RITE HP SERIES BOOSTER PUMPS Model Comparison Chart Model HP Voltage Phase GPM Max. Working PSI Stages HP20F-02 1-1/2 115/230 1 20 315 9 HP7C-02 1/2 115/230 1 7 315 9 HP10C3-02 1/2 208-230/460 3 10 315 6 HP7C3-02 1/2 208-230/460 3 7 315 9 HP10D-02 3/4 208-230/460 1 10 315 8 HP7D-02 3/4 115/230 1 7 315 12 HP30E-02 1 115/230 1 30 315 5 HP20E-02 1 115/230 1 20 315 7 HP10D3-02 3/4 115/230 3 10 315 8 HP10E-02 1 115/230 1 10 315 10 HP20E3-02 1 208-230/460 1 20 315 7 HP7D3-02 3/4 208-230/460 3 7 315 12 HP30E3-02 1 208-230/460 3 30 315 5 HP10E3-02 1 208-230/460 3 10 315 10 HP7E-02 1 115/230 1 7 315 16 HP30F-02 1-1/2 115/230 1 30 315 6 HP20F3-02 1-1/2 208-230/460 3 20 315 9 HP10F-02 1-1/2 115/230 1 10 315 14 HP10F3-02 1-1/2 208-230/460 3 10 315 14 HP20G-02 2 115/230 1 20 315 11 HP30G-02 2 115/230 1 30 315 7 HP20G3-02 2 208-230/460 3 20 315 11 HP20HG3-02 2-1/2 208-230/460 3 20 315 15 HP30G3-02 2 208-230/460 3 30 315 7 HP10G-02 2 115/230 1 10 315 16 HP30HG3-02 2-1/2 208-230/460 3 30 315 11 HP10G3-02 2 208-230/460 3 10 315 16 HP20HG-02 2-1/2 115/230 1 20 315 15 HP30HG-02 2-1/2 115/230 1 30 315 11 HP20H3-02 3 200-230/460 3 20 315 15 HP30H3-02 3 200-230/460 3 30 315 11 HP30H-02 3 208-230 1 30 315 11 HP20H-02 3 208-230 1 20 315 15 PUMP PERFORMANCE CISTERN/SHALLOW WELL INSTALLATION WALL-MOUNTED INSTALLATION IMPELLER STACK CHANGEOUT MECHANICAL SEAL CHANGEOUT DIMENSIONAL DATA REPAIR PARTS OPERATION MANUAL Sta-Rite HP Series Owner's Manual SPECIFICATIONS Sta-Rite HP Series Specifications Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.