Description
The Grundfos 99688749 (Hydro MPC-E 2 CRE32-2-1 UL D-A-A-HV) is a Hydro Booster System. Energy-efficient pressure boosting system with parallel frequency-controlled pumps for constant pressure. Nominal performance: 317US gpm at 124.3ft. Rated 460-480V, 3-Phase, 60 Hz. Applications include HVAC: Air Conditioning, Plumbing: Pressure Boosting, Plumbing: Hot Water Recirculation 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 | 99688749 |
| Product Series | HYDRO |
| Series Description | Hydro Booster System |
| Power | 7.5HP |
| Voltage | 460-480V |
| Phase | 3-Phase |
| Frequency | 60 Hz |
| Full Load Current | 8.8A |
| Protection Class (IP) | IP54 |
| Nominal Flow | 317US gpm |
| Nominal Head | 124.3ft |
| Max Operating Pressure | 232.06psi |
| Max Fluid Temperature | 179.6°F |
| Max Ambient Temperature | 104°F |
| Pipe Pressure Rating | PN 16 |
| Approvals / Certifications | CULUS, PROP65 |
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation: 460-480V, 3-Phase, 60 Hz. |
| Temperature limits | Do not exceed max fluid temperature 179.6°F or max ambient temperature 104°F. Exceeding limits damages seals and motor insulation. |
| Dry running | Do not run dry. HYDRO 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. |