Vaillant
Vaillant Aqua Plus DHW pump motor 0020183478
Genuine Vaillant domestic hot water pump motor (E1), part number 0020183478, for Aqua Plus VUI 362-7 boilers.
At a glance
- Part type: DHW pump motor (E1)
- Also known as 1385441
- Have the work carried out by a Gas Safe registered engineer
Showing prices
£387.01
£322.51 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
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 domestic hot water (DHW) pump motor, listed as "Motor d.h.w. pump (E1)", part number 0020183478. It drives the pump that circulates water through the domestic hot water circuit of the boiler.
Signs this part needs replacing
- Hot tap water runs lukewarm or cold
- Reduced or no hot water flow despite the boiler firing
- Pump motor noisy, humming or not running
- Boiler locking out on a DHW flow or pump fault
Before you order
- Confirm the part number printed on your existing motor matches 0020183478
- Check your boiler's exact model and GC number against the fitment list above
- Isolate power and water supplies before removal
- Have the work carried out by a Gas Safe registered engineer
Compliance
| Barcode / EAN | 4024074702925 |
|---|---|
| Alternative numbers | MOTOR-DHW-PUMP-E1, 1385441 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT VUI 362-7 | — | — | — | |
| VAILLANT VUI 362-7 | 47-044-29 | 47-044-29 | — | — |
| VAILLANT VUI 362-7 R3 | 47-044-29 | 47-044-29 | — | — |
| VAILLANT aquaPLUS VUI 362-7 (2002-2005) | 47-044-29 | 47-044-29 | — | — |
| VAILLANT aquaPLUS VUI 362-7 R3 (2005-2008) | 47-044-29 | 47-044-29 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.