Bulb Holder
OEM Replacement Part & Compatibility Table
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
- CAST IRON RS 151 MK2 SYSTEM NG
- CAST IRON RS 172 MK2 SYSTEM NG
- CAST IRON RS 237 MK2 SYSTEM NG
- CAST IRON RS 258 MK2 SYSTEM NG
- CAST IRON RS 279 MK2 SYSTEM NG
- CAST IRONRMG 110MK2 REGULAR NG
- CAST IRONRMG 80 MK2 REGULAR NG
- RX 48 NG
- RX 55 NG
No appliance matches the filter.
Always check the model and serial number on the data plate before ordering.
Frequently asked questions
Which appliances does 5004200 fit?
The sources we checked list 5004200 (Bulb Holder, Sime) for: CAST IRON RS 151 MK2 SYSTEM NG, CAST IRON RS 172 MK2 SYSTEM NG, CAST IRON RS 237 MK2 SYSTEM NG, CAST IRON RS 258 MK2 SYSTEM NG, CAST IRON RS 279 MK2 SYSTEM NG, CAST IRONRMG 110MK2 REGULAR NG, CAST IRONRMG 80 MK2 REGULAR NG, RX 48 NG, RX 55 NG. Always check the model and serial number on the data plate before ordering.
Does 5004200 have equivalent or superseded part numbers?
The sources we checked list no equivalents for 5004200. Ask a Sime stockist to confirm.
What should I check before fitting 5004200?
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.