Vaillant
Vaillant Valves 0020174519
Vaillant valve 0020174519 for aroTHERM VWZ MEH 61 and VWZ MWT 150 heat pumps.
At a glance
- Also known as 1386204
Showing prices
£200.11
£166.76 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 a valve assembly manufactured by Vaillant for the aroTHERM heat pump range. It is compatible with the VWZ MEH 61 and VWZ MWT 150 models. The valve regulates the flow of fluid within the heating circuit.
Signs this part needs replacing
- Water leaking from the valve body or connections
- Valve fails to open or close, affecting system flow
- Unusual noise or vibration from the valve during operation
- System pressure drops or heating performance reduces
- Error code relating to flow or valve position on the heat pump controller
Before you order
- Confirm your appliance model is listed in the Fits section
- Check the part number on your existing valve matches 0020174519
- Inspect the valve connections and seals before ordering to ensure a correct fit
Compliance
| Alternative numbers | 1386204 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWZ MEH 61 | — | — | — | |
| VAILLANT VWZ MWT 150 | — | — | — | |
| VAILLANT aroTHERM VWZ MEH 61 (2013-2021) | — | — | — | |
| VAILLANT aroTHERM VWZ MWT 150 | — | — | — | |
| VAILLANT aroTHERM VWZ MWT 150 (2013-2021) | — | — | — |
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.