
Vaillant
Vaillant Expansion Valve Thermostatic 10-14 kW 0020031978
Vaillant thermostatic expansion valve, part 0020031978, rated for 10-14 kW applications.
At a glance
- Also known as 1383855
£288.97
£240.81 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 0020031978 is a thermostatic expansion valve rated for 10-14 kW applications. The thermostatic expansion valve is the metering component in the refrigeration circuit, controlling the flow of refrigerant as it enters the evaporator. This valve is supplied as a service component identified by the manufacturer part number 0020031978.
Before you order
- Check the part number 0020031978 against the component currently fitted or against the appliance documentation.
- Confirm the 10-14 kW rating band is correct for the appliance the valve is going onto.
- Work on the refrigeration circuit requires refrigerant recovery, evacuation and recharge, so plan for a competent engineer and the correct equipment before starting.
Compliance
| Alternative numbers | 1383855 |
|---|
No fitment data held for this part.
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 documents held for this part. The technical team will source them 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.
