Vaillant
Vaillant ecoTEC Plus 937 high efficiency pump 8000011227
Genuine Vaillant high efficiency pump, part number 8000011227, for ecoTEC Plus 937 boilers.
At a glance
- Part type: High efficiency pump
- Also known as 1388763, N9177-A
- Have the work carried out by a Gas Safe registered engineer
£372.79
£310.66 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
This is Vaillant's high efficiency pump, part number 8000011227. It uses a modulating motor that automatically adjusts speed to system demand, circulating water through the boiler's heating and hot water circuits.
Signs this part needs replacing
- Little or no heat reaching radiators despite the boiler firing
- Pump is noisy, humming or not spinning freely
- Pump leaking from the seal
- Boiler locking out on a low-flow or pump fault
Before you order
- Confirm the part number printed on your existing pump matches 8000011227
- Check your exact boiler model against the fitment list above
- Isolate power and drain the relevant part of the system before removal
- Have the work carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 1388763, N9177-A |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VU 376/3-5 R1 | 41-044-49 | 41-044-49 | — | — |
| VAILLANT VU 376/5-5 | 41-044-65 | 41-044-65 | — | — |
| VAILLANT VU 376/5-5 R1 | 41-044-65 | 41-044-65 | — | — |
| VAILLANT VU 376/5-5 R2 | 41-044-65 | 41-044-65 | — | — |
| VAILLANT VU 376/5-5 R4 | 41-044-65 | 41-044-65 | — | — |
| VAILLANT VUI 376/3-5 | 47-044-39 | 47-044-39 | — | — |
| VAILLANT VUI 376/5-5 | 47-044-43 | 47-044-43 | — | — |
| VAILLANT VUI 376/5-5 R4 | 47-044-43 | 47-044-43 | — | — |
| VAILLANT VUW 376/3-5 | 47-044-33 | 47-044-33 | — | — |
| VAILLANT VUW 376/3-5 R1 | 47-044-33 | 47-044-33 | — | — |
Showing 10 of 31 compatible appliances.
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.
VAILLANT appliance manual — VU 376/3-5 R1 (GC 41-044-49), VUW 376/3-5 (GC 47-044-33), VUW 376/3-5 R1 (GC 47-044-33), ecoTEC PLUS 637 VU 376/3-5 R1 - 2006-2006 (GC 41-044-49), ecoTEC PLUS 837 VUW 376/3-5 (2005-2005) (GC 47-044-33), ecoTEC PLUS 837 VUW 376/3-5 R1 (2005-2006) (GC 47-044-33)
manualmanualVAILLANT appliance manual — VU 376/5-5 (GC 41-044-65), VU 376/5-5 R1 (GC 41-044-65), VU 376/5-5 R2 (GC 41-044-65), VU 376/5-5 R4 (GC 41-044-65), VUW 376/5-5 (GC 47-044-42), VUW 376/5-5 R1 (GC 47-044-42), VUW 376/5-5 R2 (GC 47-044-42), VUW 376/5-5 R4 (GC 47-044-42), ecoTEC PLUS 637 VU 376/5-5 (2012-2012) (GC 41-044-65), ecoTEC PLUS 637 VU 376/5-5 R1 (2012-2013) (GC 41-044-65), ecoTEC PLUS 637 VU 376/5-5 R2 (2013-2014) (GC 41-044-65), ecoTEC PLUS 637 VU 376/5-5 R4 (2014-2015) (GC 41-044-65), ecoTEC PLUS 837 VUW 376/5-5 (2012-2012) (GC 47-044-42), ecoTEC PLUS 837 VUW 376/5-5 R1 (2012-2013) (GC 47-044-42), ecoTEC PLUS 837 VUW 376/5-5 R2 (2013-2014) (GC 47-044-42), ecoTEC PLUS 837 VUW 376/5-5 R4 (2015-2015) (GC 47-044-42)
manualmanualVAILLANT appliance manual — VUI 376/3-5 (GC 47-044-39), ecoTEC 937 VUI 376/3-5 (2006-2012) (GC 47-044-39)
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