Vaillant
Vaillant 5kW compressor 0020192778
Genuine Vaillant 5kW compressor for the aroTHERM VWL 55/2 230V air source heat pump.
At a glance
- Also known as 1386554
Showing prices
£676.18
£563.48 ex. VAT · VAT at 20%
Available to order · 1 working day
Available to order · 1 working day
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
A genuine Vaillant compressor, part number 0020192778, rated at 5kW and 230V. The compressor circulates and pressurises refrigerant, compressing it before it passes through the condenser to transfer heat into the heating system.
Signs this part needs replacing
- Heat pump runs but produces little or no heat output
- Unusual noise (knocking, humming or buzzing) from the outdoor unit
- Heat pump trips out on a compressor or refrigerant fault
- Refrigerant circuit fails to reach or hold operating pressure
Before you order
- Match the part number on your existing compressor before ordering
- Isolate the electrical supply before starting work
- Refrigerant work must be carried out by a competent, F-Gas qualified engineer
Compliance
| Alternative numbers | 1386554 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 55/2 A 230V | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 35/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 35/5 AS 230V S2 R1 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 55/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 55/5 AS 230V S2 R1 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM VWL 55/2 A 230V (2014) | — | — | — |
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.
manual
VAILLANT appliance manual — VWL 55/2 A 230V, aroTHERM VWL 55/2 A 230V (2014)
manualmanualVAILLANT appliance manual — aroTHERM 5/5 VWL 35/5 AS 230V S2 (2019-2022), aroTHERM 5/5 VWL 35/5 AS 230V S2 R1 (2019-2022), aroTHERM 5/5 VWL 55/5 AS 230V S2 (2019-2022), aroTHERM 5/5 VWL 55/5 AS 230V S2 R1 (2019-2022)
manualNo 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.