Vaillant
Vaillant heat pump pipe CWT-3W 0020066198
Genuine Vaillant pipe (CWT-3W), part number 0020066198, for VWS 63-103/2 and VWS 63-103/3 heat pumps.
At a glance
- Part type: Pipe (CWT-3W)
- Also known as 1384205
Showing prices
£369.59
£307.99 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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 pipe, referenced CWT-3W, part number 0020066198. It forms part of the internal water circuit on the VWS heat pump range.
Signs this part needs replacing
- Visible corrosion, kinking or damage to the pipe
- Water leaking from around the pipe's connections
- Reduced heating output linked to a flow fault
Before you order
- Confirm the part number printed on your existing pipe matches 0020066198
- Isolate power and drain the relevant part of the system before removal
- Have the work carried out by a competent heat pump engineer
Compliance
| Alternative numbers | 1384205 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWS 103/2 230V GB | — | — | — | |
| VAILLANT VWS 63/2 230V GB | — | — | — | |
| VAILLANT VWS 83/2 230V GB | — | — | — |
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.