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Expansion Vessel 10L- 40KW - Duo Tec/Platinum

Part number (MPN)
720859501
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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 720859501 fit?

The sources we checked list 720859501 (Expansion Vessel 10L- 40KW - Duo Tec/Platinum, Baxi) for: DUO-TEC 2 28 COMPACT COMBI NG, DUO-TEC 2 40 COMBI NG, Baxi Duotec 2 Combi Ga 33, Baxi Duotec 2 Combi Ga 40, ECOBLUE 32 SYSTEM NG, ECOBLUE ADVANCED 33 COMBI NG, ECOBLUE ADVANCED 40 COMBI NG, Baxi Ecoblue System ErP 32. Always check the model and serial number on the data plate before ordering.

Does 720859501 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 720859501. Ask a Baxi stockist to confirm.

What should I check before fitting 720859501?

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Some lists are dated and the part may have been superseded.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