Description
The Grundfos 99915511 (CRI 1S-25 A-FGJ-A-E-HQQE) is a Vertical Multistage Centrifugal Pump — Stainless Steel. All materials in contact with liquid in stainless steel EN 1.4301 (304). Compact inline design. Nominal performance: 4.84US gpm at 461ft. Rated 230/460V, 3.0-Phase, 60 Hz. Applications include HVAC: Heating, HVAC: Air Conditioning, Plumbing: Pressure Boosting 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 | 99915511 |
| Product Series | CRI |
| Series Description | Vertical Multistage Centrifugal Pump — Stainless Steel |
| Power | 2HP |
| Voltage | 230/460V |
| Phase | 3.0-Phase |
| Frequency | 60 Hz |
| Motor Speed | 3520rpm |
| Pump Speed | 3452rpm |
| Full Load Current | 4,94/2,47A |
| Motor Type | WEG |
| Motor Efficiency Class | IE3 / NEMA Premium |
| Motor Efficiency | IE3 85,5% |
| Insulation Class | F |
| Protection Class (IP) | TEFC |
| Nominal Flow | 4.84US gpm |
| Nominal Head | 461ft |
| Max Operating Pressure | 362.59psi |
| Max Fluid Temperature | 248°F |
| Max Ambient Temperature | 104°F |
| Inlet Connection | DN 25/32 |
| Outlet Connection | DN 25/32 |
| Pipe Pressure Rating | PN 25 |
| Pipe Standard | DIN / ANSI / JIS |
| Impeller Material | Stainless steel |
| Housing Material | Stainless steel |
| Shaft Seal | HQQE |
| Approvals / Certifications | CURUS |
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation: 230/460V, 3.0-Phase, 60 Hz. |
| Temperature limits | Do not exceed max fluid temperature 248°F or max ambient temperature 104°F. Exceeding limits damages seals and motor insulation. |
| Dry running | Do not run dry. CRI 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. |
Motor Curves
Dimensional Drawing
DWiring Diagram
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