Vaillant
Vaillant ecoMAX 665 high efficiency pump 0020211454
High efficiency circulating pump for the Vaillant ecoMAX 665 and VU 656 boiler range.
At a glance
- Also known as 1386770
- Have the replacement fitted by a Gas Safe registered engineer
£871.24
£726.03 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 0020211454 is a high-efficiency pump fitted to Vaillant's ecoMAX 665 and related VU 656 boilers. It circulates water around the boiler through the heat exchangers, and on into the central heating radiators or hot taps. It replaces the earlier part 180929.
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 your exact model against the fits list
- Match the part number printed on your existing pump
- Isolate electrical power and drain down the system before removal
- Have the replacement fitted by a Gas Safe registered engineer
Compliance
| Alternative numbers | 1386770 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VU 656-7 | 41-044-59 | 41-044-59 | — | — |
| VAILLANT VU 656/4-5 | 41-044-59 | 41-044-59 | — | — |
| VAILLANT ecoMAX 665 VU 656-7 (2006-2006) | 41-044-59 | 41-044-59 | — | — |
| VAILLANT ecoTEC VU 656/4-5 (2007-2015) | 41-044-59 | 41-044-59 | — | — |
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 technical questions yet for this part.
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