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Cover Diagnostic Connector

Part number (MPN)
0020136640
Check compatibility

Type your appliance model: we compare it with the 9 appliances in our sources.

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Guide price (£)
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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 0020136640 fit?

The sources we checked list 0020136640 (Cover Diagnostic Connector, Vaillant) for: FLEXOTHERM EXC VWF 117/4, FLEXOTHERM EXC VWF 57/4 230V, FLEXOTHERM EXC VWF 57/4, FLEXOTHERM EXC VWF 87/4 230V, FLEXOTHERM EXC VWF 87/4, FLEXOTHERM VWF 117/4 230V, UNITOWER+ VIH QW 190/6 E GB, FLEXOTHERM VWF 157/4 ELECTRIC, FLEXOTHERM VWF 197/4 ELECTRIC. Always check the model and serial number on the data plate before ordering.

Does 0020136640 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 0020136640. Ask a Vaillant stockist to confirm.

What should I check before fitting 0020136640?

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Some lists are dated and the part may have been superseded.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.