
Grundfos
Grundfos MAGNA1 25-40 (180) variable speed circulator pump 99221216
A-rated, EuP-ready variable speed circulator pump for domestic and commercial heating and cooling systems.
At a glance
- Also known as 2520862
£975.26
£812.72 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The 99221216 is a Grundfos MAGNA1 25-40 (180) circulator pump, an 'A' rated, EuP-ready variable speed pump used to circulate water through heating and cooling systems. It runs on a single-phase 230V, 50/60Hz supply and is rated PN10.
Signs this part needs replacing
- Pump is noisy or vibrating excessively
- Reduced circulation causing cold spots or slow heat-up
- Pump fails to start or trips on electrical fault
- Leaking from the pump housing or seals
Before you order
- Confirm the port-to-port length (180mm) and connection size match your existing pump
- Check the electrical supply matches single-phase 230V
- Isolate electrical power and drain down the system before removal
- Have the replacement fitted by a competent heating engineer
Compliance
| Alternative numbers | 2520862 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GRUNDFOS MAGNA1 SINGLE HEAD VARIABLE SPEED CIRCULATORS | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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