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Manifold Fixing Plate

Part number (MPN)
6285900
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OEM Replacement Part & Compatibility Table

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Source
retailer parts list
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. 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 6285900 fit?

The sources we checked list 6285900 (Manifold Fixing Plate, Sime) for: Sime Superior Mkii 40, Sime Superior Mkii 50, Sime Superior Mkii 60. Always check the model and serial number on the data plate before ordering.

Does 6285900 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 6285900. Ask a Sime stockist to confirm.

What should I check before fitting 6285900?

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Some lists are dated and the part may have been superseded.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