Vaillant
Vaillant Valve 0020266454
A Vaillant valve, part number 0020266454, for Arotherm VWL 105/5 and VWL 125/5 AS 230V S2 heat pumps.
At a glance
- Appliance family: Arotherm VWL AS
- Also known as 1389032
£63.32
£52.77 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant 0020266454 is a valve used in Vaillant Arotherm air source heat pump systems. It forms part of the appliance's hydraulic circuit, controlling water flow through the unit. It is supplied as a single component for service and repair work.
Signs this part needs replacing
- Water or glycol weeping from the valve body or its connections
- System pressure dropping repeatedly with no visible leak elsewhere
- The valve failing to isolate or divert flow when the system is serviced
- Reduced or uneven flow through the heating circuit
- Noise or vibration from the valve area during operation
Before you order
- Confirm your appliance model matches one of the fitments listed above
- Check the part number 0020266454 against the manufacturer's parts list for your unit
- Identify the valve's position in the hydraulic circuit before ordering, as more than one valve type may be used on these appliances
Compliance
| Alternative numbers | 1389032 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM 5/5 VWL 105/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 125/5 AS 230V S2 (2019) | — | — | — |
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.
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