Grundfos 99239831 - CM 10-2 A-R-A-V-AQQV O-A-A-N | Horizontal | End Suction | Centrifugal

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Reliable, quiet, compact horizontal end-suction pump. Modular design for flexible performance selection. For water supply, pressure boosting, and liquid transfer. Nominal performance: 52.8US gpm at 128ft. Rated 220-255D/380-440YV, 3.0-Phase, 60 Hz. Power 2.95HP Voltage 220-255D/380-440YV Phase 3.0-Phase Max Flow 52.8US gpm Max Head 128ft Max Pressure 145.04psi Grundfos World's largest pump manufacturer — engineering and manufacturing in 17 countries since 1945 Industrial Grade IE3 / NEMA Premium motor — reduces operating cost over service life Authorized Distributor Genuine Grundfos product — full manufacturer warranty coverage Expert Support Technical help available — call (781) 281-8905 or chat Why This Product Genuine Grundfos Part OEM component engineered and manufactured to Grundfos specifications. Maintains pump performance and warranty coverage. Full Traceability Genuine Grundfos parts carry manufacturer traceability from production through delivery. No counterfeit risk. Authorized Source PumpStop is an authorized Grundfos distributor. All parts are genuine — not aftermarket, not surplus. Confirm Compatibility Always verify part number against your pump model number and serial number before ordering. Contact PumpStop for parts identification assistance. Technical Support Available PumpStop technical team can identify correct parts from pump nameplate data, serial number, or model code. Call (781) 281-8905 or chat. Contact for Availability Parts availability varies. Contact PumpStop to confirm stock, lead time, and pricing before placing an order. Model Information — CM 10-2 A-R-A-V-AQQV O-A-A-N Series: CM Model Code: CM 10-2 A-R-A-V-AQQV O-A-A-N Impeller Material: Stainless steel Housing Material: Cast iron Shaft Seal: AQQV Technical Specifications Model Number 99239831 Product Series CM Series Description Horizontal Multistage End-Suction Pump Power 2.95HP Voltage 220-255D/380-440YV Phase 3.0-Phase Frequency 60 Hz Motor Speed 3470-3500rpm Pump Speed 3480rpm Full Load Current 7,70-7,20/4,45-4,15A Motor Efficiency Class IE3 / NEMA Premium Insulation Class F Protection Class (IP) IP55 Nominal Flow 52.8US gpm Nominal Head 128ft Max Operating Pressure 145.04psi Max Fluid Temperature 194°F Max Ambient Temperature 131°F Inlet Connection 1 1/2inch Outlet Connection 1 1/2inch Pipe Standard Rp Impeller Material Stainless steel Housing Material Cast iron Shaft Seal AQQV Approvals / Certifications CE, CULUS, EAC, CURUS, UKCA Important Notices Electrical Verify supply voltage, phase, and frequency match nameplate before installation: 220-255D/380-440YV, 3.0-Phase, 60 Hz. Temperature limits Do not exceed max fluid temperature 194°F or max ambient temperature 131°F. Exceeding limits damages seals and motor insulation. Dry running Do not run dry. CM pumps use the pumped fluid to lubricate the shaft seal. Dry running destroys the seal within seconds. Install dry-run protection on all automatic installations. Maintenance Refer to the Grundfos Installation and Operating Manual (IOM) for correct installation, commissioning, and maintenance. Contact PumpStop for documentation. Documentation ✓ Installation and Operating Manual (IOM) — CM Series ✓ Product Data Sheet — CM 10-2 A-R-A-V-AQQV O-A-A-N ✓ Service Manual and Spare Parts List Need the IOM, data sheet, or spare parts list? Contact PumpStop and we'll send it over. Before You OrderConfirm model code, voltage, phase, and frequency match your installation. For sizing help, spare parts, or documentation, call (781) 281-8905 or chat with PumpStop. Grundfos — 99239831 · CM 10-2 A-R-A-V-AQQV O-A-A-NAuthorized Grundfos Distributor · pump-stop.com Show more