Description
The Grundfos 99221226 (MAGNA1 25-100 N) is a Circulator Pump — ECM Variable Speed. MAGNA1 series ECM circulator with AUTOADAPT for heating and cooling systems. Rated 230V, 1-Phase, 50, 60 Hz. Applications include Plumbing: Hot Water Recirculation, Residential 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 | 99221226 |
| Product Series | MAGNA1 |
| Series Description | Circulator Pump — ECM Variable Speed |
| Voltage | 230V |
| Phase | 1-Phase |
| Frequency | 50, 60 Hz |
| Insulation Class | F |
| Protection Class (IP) | IPX4D |
| 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 | Stainless steel |
| 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. MAGNA1 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
- 5712608941993
- Approvals
- CN ROHS
- Approvals and markings
- 100 dm
- Approvals for drinking water
- WRAS
- 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)
- 0.2
- Environmental approvals
- CN ROHS
- Flow range
- 100 dm
- Gross weight
- 10.8 lb
- Head max
- 100 dm
- Housing
- Stainless steel
- 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 .. 1.42 A
- Maximum operating pressure
- 10 bar
- Model
- C
- Motor
- 100 dm
- Net weight
- 9.72 lb
- Number of leads
- 100 dm
- Pipe connection
- G 1 1/2"
- Pipework connection
- 100 dm
- Power 1
- 9 .. 176 W
- Power input - P1
- 9 .. 176 W
- Pressure rating
- PN 10
- Pressure retention valve
- 100 dm
- Pump housing
- Stainless steel
- Pumped liquid
- Water
- Range of ambient temperature
- 32 .. 104 °F
- 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