Description
The Grundfos 97924247 (MAGNA3 25-100) is a Circulator Pump — ECM Variable Speed. MAGNA3 series high-efficiency ECM circulator with AUTOADAPT and FLOWADAPT functions. Nominal performance: 23.9US gpm at 20.58ft. Rated 230V, 1-Phase, 50, 60 Hz. Applications include HVAC: Heating, Plumbing: Hot Water Recirculation.
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 | 97924247 |
| Product Series | MAGNA3 |
| Series Description | Circulator Pump — ECM Variable Speed |
| Voltage | 230V |
| Phase | 1-Phase |
| Frequency | 50, 60 Hz |
| Insulation Class | F |
| Protection Class (IP) | IPX4D |
| Nominal Flow | 23.9US gpm |
| Nominal Head | 20.58ft |
| Max Operating Pressure | 145.04psi |
| Max Fluid Temperature | 230°F |
| Max Ambient Temperature | 104°F |
| Nominal Pipe Bore | 1 1/2inch |
| Pipe Pressure Rating | PN 10 |
| Pipe Standard | G |
| Impeller Material | Composite |
| Housing Material | Cast iron |
| Approvals / Certifications | CE, VDE, EAC, MOROCCO, UKCA, TSE |
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation: 230V, 1-Phase, 50, 60 Hz. |
| Temperature limits | Do not exceed max fluid temperature 230°F or max ambient temperature 104°F. Exceeding limits damages seals and motor insulation. |
| Dry running | Do not run dry. MAGNA3 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. |
- EAN
- 5710626493227
- Approvals
- CN ROHS
- Approvals and markings
- 100 dm
- Battery back-up
- 100 dm
- Colour
- 100 dm
- Connection
- G 1 1/2"
- Density
- 61.35 lb/ft³
- Enclosure class (IEC 34-5)
- X4D
- Energy (EEI)
- 0.18
- Environmental approvals
- CN ROHS
- Flow range
- 100 dm
- Gross weight
- 12.7 lb
- Head max
- 100 dm
- Housing
- Cast iron
- Impeller
- PES 30%GF
- Insulation class (IEC 85)
- F
- Length
- 180 mm
- Liquid temperature range
- 14 .. 230 °F
- Mains frequency
- 50 / 60 Hz
- Material Pricing Group
- 56
- Maximum current consumption
- 0.09 .. 1.33 A
- Maximum operating pressure
- 10 bar
- Model
- E
- Motor
- 100 dm
- Net weight
- 11.3 lb
- Number of leads
- 100 dm
- Pipe connection
- G 1 1/2"
- Pipework connection
- 100 dm
- Power 1
- 9 .. 153 W
- Power input - P1
- 9 .. 153 W
- Pressure rating
- PN 10
- Pressure retention valve
- 100 dm
- Pump housing
- Cast iron
- Pumped liquid
- Water
- Range of ambient temperature
- 32 .. 104 °F
- Rated flow
- 23.9 US gpm
- Rated head
- 20.58 ft
- Rated voltage
- 1 x 230 V
- Real Time
- Delivery date to be confirmed on Sales Order Update with real time availability and Net price
- Selected liquid temperature
- 140 °F
- Sens.interface
- 100 dm
- TF class
- 110
- Valve type
- 100 dm
Dimensional Drawing
Wiring Diagram
MAGNA3, Plug connected (Quick Guide)
MAGNA3, DISPLAY MENU OVERVIEW (Valid from model D) (Quick Guide)
MAGNA, MAGNA1, MAGNA3, MAGNA3 D, MAGNA3 N (Service Kit Catalogue)
MAGNA1, MAGNA3, Terminal connected versions, Pump head, clamp, O-ring, (Service kit instruction)
MAGNA1, MAGNA3 Terminal connected versions, Front cover (Service kit instruction)
MAGNA3, Terminal-connected versions / Display panel (Service kit instructions)
MAGNA3, Terminal-connected versions, Control box (Service kit instruction)
MAGNA3 (Plug-connected versions / Pump head - clamp - O-ring) (Service kit instruction)
MAGNA3, Sensor cap, Plug and terminal connected versions (Service kit instruction)