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100mm Lip Seal - Duo-Tec/EcoBlue/Megaflo

Part number (MPN)
720871401
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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 720871401 fit?

The sources we checked list 720871401 (100mm Lip Seal - Duo-Tec/EcoBlue/Megaflo, Baxi) for: ASSURE 500 2 ISS 02 COMBI NG, ASSURE 500 2 ISS 05 COMBI NG, ASSURE 500 530 2 FRONT FACING, ASSURE 500 530 2 INTERNAL FIT, ASSURE 515 2 SYSTEM NG, ASSURE 518 2 SYSTEM NG, ASSURE 524 2 COMBI NG, ASSURE 524 2 SYSTEM NG, ASSURE 530 2 COMBI NG, ASSURE 536 2 COMBI NG, BAXI 100 124 NG, BAXI 100 128 NG, BAXI 200 HEAT 215 NG, BAXI 400 HEAT 412 NG, BAXI 400 HEAT 415 NG, BAXI 400 HEAT 424 NG, BAXI 424 2.1 COMBI NG, BAXI 430 2.1 COMBI NG, BAXI 436 2.1 COMBI NG, BAXI 600 2 624 NG, BAXI 600 HEAT 616 NG, BAXI 600 HEAT 630 NG, BAXI 615 2 SYSTEM NG, BAXI 618 2 SYSTEM NG, BAXI 624 2 SYSTEM NG, BAXI 630 2 COMBI NG, BAXI 636 2 COMBI NG, BAXI 800 2 824 NG, BAXI 800 2 830 NG, BAXI 800 HEAT 825 NG, BAXI 818 2 SYSTEM NG, BAXI 824 2 SYSTEM NG, BAXI 830 2 SYSTEM NG, BAXI 836 2 COMBI NG, BAXI ASSURE HEAT 16 NG, DUO-TEC 2 24 COMBI NG, DUO-TEC 2 28 COMBI NG, DUO-TEC 2 28 COMPACT COMBI NG, DUO-TEC 2 40 COMBI NG, Baxi Duotec 2 Combi Ga 24, Baxi Duotec 2 Combi Ga 28, Baxi Duotec 2 Combi Ga 33, Baxi Duotec 2 Combi Ga 40, ECOBLUE 24 COMBI NG, ECOBLUE 24 SYSTEM NG, ECOBLUE 32 SYSTEM NG, Baxi Ecoblue Advance Combi ErP 24, Baxi Ecoblue Advance Combi ErP 40, Baxi Ecoblue Advance Heat ErP 13, Baxi Ecoblue Advance Heat ErP 16, Baxi Ecoblue Advance Heat ErP 19, Baxi Ecoblue Advance Heat ErP 25, Baxi Ecoblue Advance Heat ErP 30, ECOBLUE ADVANCED 24 COMBI NG, ECOBLUE ADVANCED 28 COMBI NG, ECOBLUE ADVANCED 33 COMBI NG, ECOBLUE ADVANCED 40 COMBI NG, ECOBLUE HEAT 15 SYSTEM NG, ECOBLUE HEAT 21 SYSTEM NG, Baxi Ecoblue Heat ErP 12, Baxi Ecoblue Heat ErP 15, Baxi Ecoblue Heat ErP 18, Baxi Ecoblue Heat ErP 21, Baxi Ecoblue Heat ErP 24, ECOBLUE PLUS 24 COMBI NG, ECOBLUE PLUS 28 COMBI NG, Baxi Ecoblue Plus Combi ErP 24, Baxi Ecoblue Plus Combi ErP 28, Baxi Ecoblue Plus Combi ErP 33, ECOBLUE SYSTEM 12 SYSTEM NG, Baxi Ecoblue System ErP 12, Baxi Ecoblue System ErP 15, Baxi Ecoblue System ErP 18, Baxi Ecoblue System ErP 24, Baxi Ecoblue System ErP 28, Baxi Ecoblue System ErP 32, MAINECO HEAT 24 KW NG, Baxi Maineco Heat ErP 15, Baxi Maineco Heat ErP 18, Baxi Maineco Heat ErP 24, MEGAFLO 2 12 SYSTEM NG, MEGAFLO 2 15 SYSTEM NG, MEGAFLO 2 18 SYSTEM NG, MEGAFLO 2 24 COMPACT SYSTEM NG, MEGAFLO 2 24 SYSTEM NG, MEGAFLO 2 28 SYSTEM NG, MEGAFLO 2 32 SYSTEM NG, NETA-TEC PLUS COMBI 24 GA NG, NETA-TEC PLUS COMBI 28 GA NG, NETA-TEC PLUS COMBI 33 GA NG, Baxi Netatec Combi Ga 24, Baxi Netatec Combi Ga 28, Baxi Netatec Combi Ga 33, PRECISION + HEAT NG, ECOBLUE COMBI ERP 24, ECOBLUE COMBI ERP 33, ECOBLUE ERP COMBI28 NG. Always check the model and serial number on the data plate before ordering.

Does 720871401 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 720871401. Ask a Baxi stockist to confirm.

What should I check before fitting 720871401?

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.