Description
The Grundfos 97740543 is a genuine Grundfos Accessory — | Horizontal | End Suction. CRN 45-4-1 H-G30-A-V-HQQV CR-H pumps are horizontal end suction pumps typically mounted on baseplates. The end suction design enables the pump to be installed horizontally in traditional, end suction design piping where the pump has an axial suction port and a radial center line discharge port. This design allows back pull-out capability. This mean
Genuine Grundfos Parts and Accessories
Genuine Grundfos replacement parts and accessories are manufactured to the same specifications as the original components — ensuring correct fit, correct function, and maintenance of original pump performance.
OEM Quality — Maintains Warranty Coverage
Using genuine Grundfos replacement parts maintains pump warranty coverage where applicable. Third-party parts may void warranty coverage and can cause performance changes and premature failure.
Compatibility Confirmed
Grundfos accessories and replacement parts are tested for compatibility with specific Grundfos pump models. Part numbers are model-specific — always verify using your pump's model number and serial number.
PumpStop Expert Support
Not sure if this is the right part for your pump? Contact PumpStop with your pump model number and serial number — our team will confirm compatibility before you order.
| Model Number | 97740543 |
| Product Series | ACC |
| Frequency | 60 Hz |
| Nominal Flow | 52.5m³/h |
| Nominal Head | 106.5m |
| Max Operating Pressure | 16bar |
| Max Fluid Temperature | 90°C |
| Impeller Material | Stainless steel |
| Housing Material | Stainless steel |
| Shaft Seal | HQQV |
| Orientation | Horizontal |
| Electrical | Requires correctly rated supply — 60 Hz. Install with correctly rated circuit protection and motor starter. |
| Temperature limits | Do not exceed max fluid temperature 90°C or max ambient temperature (see spec sheet). Operating outside limits damages seals and motor insulation. |
| Dry running | Do not run dry. Grundfos CR/CRN/MTR 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, maintenance intervals, and spare part numbers. Manuals available from Grundfos or PumpStop. |
Motor Curves
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