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Seal KIT

Part number (MPN)
RBS156

OEM Replacement Part & Compatibility Table

Brand
Guide price (£)
Not available: check the current price with the seller
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

  • Riello Rdb3 Cf 489T50 3748950
  • Riello Rdb4 Cf 488T50 3748850

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

Frequently asked questions

Which appliances does RBS156 fit?

The sources we checked list RBS156 (Seal KIT, Riello) for: Riello Rdb3 Cf 489T50 3748950, Riello Rdb4 Cf 488T50 3748850. Always check the model and serial number on the data plate before ordering.

Does RBS156 have equivalent or superseded part numbers?

The sources we checked list no equivalents for RBS156. Ask a Riello stockist to confirm.

What should I check before fitting RBS156?

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.

Related parts

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Some lists are dated and the part may have been superseded.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