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Harness Sensor

Part number (MPN)
8716121321
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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 8716121321 fit?

The sources we checked list 8716121321 (Harness Sensor, Worcester Bosch) for: 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. Always check the model and serial number on the data plate before ordering.

Does 8716121321 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 8716121321. Ask a Worcester Bosch stockist to confirm.

What should I check before fitting 8716121321?

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Some lists are dated and the part may have been superseded.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