Description
The Grundfos 202500A4 is a Grundfos Accessory / Spare Part / Control. Genuine Grundfos accessory, control component, spare part, or sensor. Nominal performance: 845US gpm at 341.2ft. Applications include Residential groundwater intake, Residential water pressure boosting, Municipal wells and more.
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 Number | 202500A4 |
| Product Series | ACC |
| Series Description | Grundfos Accessory / Spare Part / Control |
| Frequency | 60 Hz |
| Pump Speed | 3450rpm |
| Nominal Flow | 845US gpm |
| Nominal Head | 341.2ft |
| Max Operating Pressure | 870.23psi |
| Max Fluid Temperature | 140°F |
| Nominal Pipe Bore | 6inch |
| Pipe Standard | NPT(F) |
| Impeller Material | Stainless steel |
| Approvals / Certifications | CULDWUS, CCSAUS |
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation. |
| Temperature limits | Do not exceed max fluid temperature 140°F. Exceeding limits damages seals and motor insulation. |
| Dry running | Do not run dry. ACC 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. |
- Approvals
- CULDWUS,CCSAUS
- Approvals for drinking water
- PROP65
- Connection
- 6 inch
- Curve tolerance
- ISO9906:2012 3B
- Diameter
- 8.86 in
- Gross weight
- 182.0 lb
- Impeller
- Stainless steel
- Impellers
- A
- Liquid max temp
- 140°F
- Liquid temperature range
- 5 .. 140 °F
- Maximum operating pressure
- 870.23 psi
- Maximum outlet pressure
- 174.05 psi
- Minimum borehole diameter
- 8.86 in
- Minimum efficiency index, MEI ≥
- -.--
- Model
- B
- Motor diameter
- 8 inch
- Motor flange design
- Grundfos
- n rpm
- 3450rpm
- Net weight
- 121.0 lb
- Number of reduced-diameter impellers
- A
- Power (P2) required by pump
- 100 HP
- Pump
- 100 HP
- Pump speed on which pump data are based
- 3450 rpm
- Rated flow
- 845 US gpm
- Rated head
- 341.2 ft
- Return valve
- YES
- Size of connection
- 6 inch
- Stages
- 4
- Type of connection
- NPT(F)
- Valve
- YES
Dimensional Drawing
Cathodic protection (Quick guide)
GRUNDFOS SUBMERSIBLES, SP PUMPS (Product brochure)
GRUNDFOS SMARTFLO (Product brochure)
OPTIMIZED INDUSTRIAL SOLUTIONS (Product brochure)
SP/SPE, Stainless steel submersible pumps, 4", 6", 8", and 10" (I & O instructions)
SmartFlo, Start-up guide for SP pumps (I & O instructions)
Correction sheet for SP and SPE