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Insulation

Part number (MPN)
0020233646
Check compatibility

Type your appliance model: we compare it with the 2 appliances in our sources.

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Parts for the same appliances

OEM Replacement Part & Compatibility Table

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 0020233646 fit?

The sources we checked list 0020233646 (Insulation, Vaillant) for: UNITOWER DECOUPLING MODULE 10, UNITOWER DECOUPLING MODULE 3-8. Always check the model and serial number on the data plate before ordering.

Does 0020233646 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 0020233646. Ask a Vaillant stockist to confirm.

What should I check before fitting 0020233646?

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Some lists are dated and the part may have been superseded.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