Vaillant
Vaillant heat exchanger (superheater) 14-17kW 0020031986
Genuine Vaillant superheater-type heat exchanger, 14-17kW rating, for Vaillant heat pump/renewable water heating appliances.
At a glance
- Part type: heat exchanger (superheater)
- Also known as 1381374
Showing prices
£504.50
£420.42 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 heat exchanger (superheater), rated 14-17kW. It transfers heat between the appliance's refrigerant or primary circuit and the domestic water/heating circuit.
Signs this part needs replacing
- Reduced heat output or the appliance struggling to reach temperature
- Leaking or weeping from the heat exchanger body
- Unusual banging, kettling or gurgling noises
- Appliance locking out on a temperature or flow fault
Before you order
- Match the part number printed on your existing heat exchanger before ordering
- Isolate electrical and water supplies before removal
- Have this fitted by a competent, qualified engineer
Compliance
| Alternative numbers | 1381374 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWS 141/2 | — | — | — | |
| VAILLANT VWS 171/2 | — | — | — |
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.