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Support (Expansion vessel)

Part number (MPN)
8737602308
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Source
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checked 2026-11-05
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.

Compatible appliances

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

Frequently asked questions

Which appliances does 8737602308 fit?

The sources we checked list 8737602308 (Support (Expansion vessel), Worcester Bosch) for: GR4700IW 25 C NG, GR4700IW 25 C LPG, GR4700IW 30 C LPG, GR4700IW 12 S NG, GR4700IW 12 S LPG, GR4700IW 15 S NG, GR4700IW 15 S LPG, GR4700IW 18 S NG, GR4700IW 18 S LPG, GR4700IW 21 S NG, GR4700IW 21 S LPG, GR4700IW 24 S NG, GR4700IW 24 S LPG, GR2300IW 25 C NG, GR2300IW 30 C NG, GR2300IW 25 C LPG, GR2300IW 30 C LPG. Always check the model and serial number on the data plate before ordering.

Does 8737602308 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 8737602308. Ask a Worcester Bosch stockist to confirm.

What should I check before fitting 8737602308?

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.

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Some lists are dated and the part may have been superseded.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