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Thermostatic Expansion Valve - 11-15kW

Part number (MPN)
0020175865
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Source
retailer parts list
checked 2026-11-06
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 0020175865 fit?

The sources we checked list 0020175865 (Thermostatic Expansion Valve - 11-15kW, Vaillant) for: AROTHERM VWL 125/5 AS 230V S2, AROTHERM VWL105/5 AS 230V S2. Always check the model and serial number on the data plate before ordering.

Does 0020175865 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 0020175865. Ask a Vaillant stockist to confirm.

What should I check before fitting 0020175865?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.