Sime
Sime Gasket 2030239
Sime gasket 2030239, 6 mm x 11 mm x 2 mm, for the non-return valve to isolation valve on Sime Super MKII boilers.
At a glance
- Also known as 2040064
£1.90
£1.58 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
Sime gasket, part number 2030239, measuring 6 mm x 11 mm x 2 mm. It seals the joint between the non-return valve and the isolation valve on Sime Super MKII gas boilers. The gasket prevents water leaks at this connection point.
Signs this part needs replacing
- Water weeping or dripping from the non-return valve or isolation valve joint
- Visible cracking, flattening or perishing of the gasket
- Loss of system pressure with no other obvious cause
- Corrosion or mineral build-up around the valve connection
Before you order
- Confirm your boiler model is listed in the Fits section above
- Check the existing gasket dimensions match 6 mm x 11 mm x 2 mm
- Inspect the valve faces for damage before refitting
Compliance
| Alternative numbers | 2040064 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME SIME SUPER MKII 105 | — | — | — | |
| SIME SIME SUPER MKII 90 | — | — | — | |
| SIME SUPER 105 MKII - 8093563 | 47-719-15 | 47-719-15 | — | — |
| SIME SUPER 90 MKII - 8093560 | 47-719-14 | 47-719-14 | — | — |
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.