6083403 Sime: Pipe Reducer 1-1/4
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OEM Replacement Part & Compatibility Table
| Part number (MPN) | 6083403 |
|---|---|
| Brand | Sime |
| Category | Boilers and heating |
| Compatible appliances | CAST IRON RS 215 MK2 SYSTEM NG, CAST IRON RS 237 MK2 SYSTEM NG, CAST IRON RS 279 MK2 SYSTEM NG |
| Equivalent / superseded codes | Not listed in the sources |
| Fault codes | Not listed in the sources |
| Guide price (£) | Not available: check the current price with the seller |
Fitting notes
Frequently asked questions
Which appliances does 6083403 fit?
The sources we checked list 6083403 (Pipe Reducer 1-1/4, Sime) for: CAST IRON RS 215 MK2 SYSTEM NG, CAST IRON RS 237 MK2 SYSTEM NG, CAST IRON RS 279 MK2 SYSTEM NG. Always check the model and serial number on the data plate before ordering.
Does 6083403 have equivalent or superseded part numbers?
The sources we checked list no equivalents for 6083403. Ask a Sime stockist to confirm.
What should I check before fitting 6083403?
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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Source checked on 2026-11-05: retailer parts list. Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.