Vaillant
Vaillant Slide Valve 0020180086
Vaillant slide valve 0020180086 for aroTHERM VWZ MWT 150 heat pumps.
At a glance
- Appliance family: aroTHERM VWZ MWT 150
- Also known as 1386442
Showing prices
£255.50
£212.92 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
The Vaillant slide valve 0020180086 is a component used in the refrigerant circuit of aroTHERM VWZ MWT 150 heat pumps. It is manufactured by Vaillant and is specific to this appliance family.
Signs this part needs replacing
- The heat pump fails to switch between heating and defrost modes.
- Unusual noises from the valve during operation.
- Refrigerant leaks around the valve body.
- System performance drops or error codes relating to refrigerant flow.
Before you order
- Confirm your appliance model is Vaillant aroTHERM VWZ MWT 150.
- Check the part number 0020180086 matches the component you are replacing.
- Consult a qualified heating engineer if unsure about compatibility.
Compliance
| Alternative numbers | 1386442 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWZ MWT 150 | — | — | — | |
| 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.