We will match any authorized U.S. dealer’s advertised price on this genuine Grundfos product. Contact our pump specialists for your personalized quote, real-time availability, and volume & project programs.
Get My Quote 📞 408-969-2688 · ✉️ sales@foreverpureplace.com
The Grundfos CRE 45-1-1 is a vertical multistage centrifugal e-pump (integrated variable-speed drive) (Grundfos part number 91150391). It is rated at 15 3 HP, three-phase 230/460V, 60 Hz, and features cast-iron pump head and base with AISI 304 stainless steel hydraulic components with an .
Specifications
| Model | CRE 45-1-1 |
|---|---|
| Grundfos part number | 91150391 |
| Pump type | Vertical multistage centrifugal e-pump (integrated variable-speed drive) |
| Power | 15 3 HP |
| Electrical | Three-phase, 230/460V, 60 Hz |
| Construction | cast-iron pump head and base with AISI 304 stainless steel hydraulic components |
| Shaft seal | |
| Shipping weight | 58 lb |
| Shipping dimensions (W×H×L) | 24 × 24 × 57 in |
Applications
The Grundfos CRE 45-1-1 is used for constant-pressure water supply, demand-based pressure boosting, water treatment, and energy-efficient industrial process with built-in variable-speed control.
About this pump
Grundfos CR-range vertical multistage pumps are an industry standard for reliable, efficient high-pressure pumping. The CRE 45-1-1 ships as a complete unit with motor. For help selecting the correct model, number of stages, or materials for your application, contact ForeverPure Place for a quote.
Accessories for This Pump
Commonly specified alongside Grundfos E-pumps. Send us your pump nameplate and we will confirm the correct part for your exact build and voltage before you order.
- RPI Inlet Pressure Sensor
Inlet pressure protection with low-suction shutdown. 
VFS Flow & Temperature Sensor
Flow and temperature feedback to the pump’s onboard controller.- RPS Pressure Sensor
Discharge pressure feedback for constant-pressure booster control.
Building-automation connectivity
This pump accepts a Grundfos CIM interface card (or an external CIU box) to report to a BMS or PLC. All eight are the same card with a different protocol — choose the one your building system speaks:
CIM/CIU 100 GENIbus · CIM/CIU 150 PROFIBUS DP · CIM/CIU 200 Modbus RTU · CIM/CIU 250 Modbus TCP · CIM/CIU 300 BACnet MS/TP · CIM/CIU 500 EtherNet/IP · CIM/CIU GRM · CIM/CIU LonWorks
