Sime
Sime Gas Valve Gasket 6184100
O-ring gasket for the gas inlet flange to gas valve joint on Sime Super FOUR boilers.
At a glance
- Also known as 2040724
- Work on gas components must be carried out by a Gas Safe registered engineer
Showing prices
£1.58
£1.32 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
O-ring gasket manufactured by Sime, part number 6184100. It seals the joint between the gas inlet flange and the gas valve on Sime Super FOUR boilers. The gasket provides a gas-tight seal at this connection.
Signs this part needs replacing
- Gas smell around the gas valve or inlet flange joint
- Visible cracking, flattening or perishing of the O-ring
- Leak detection fluid bubbles at the joint during a tightness test
- Boiler fails a gas soundness check at the valve connection
Before you order
- Check the boiler model and GC number against the appliance data badge
- Confirm the gas valve and inlet flange arrangement matches the part
- Work on gas components must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 2040724 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME SIME SUPER FOUR | — | — | — | |
| SIME SIME SUPER FOUR REVISED | — | — | — | |
| SIME SUPER FOUR - 8091605 | 47-719-04 | 47-719-04 | — | — |
| SIME SUPER FOUR REVISED - 8091607 | 47-719-04 | 47-719-04 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.