
Sime
Sime Connecting Pipe DHW Expansion Vessel 6227637
Connecting pipe for the domestic hot water expansion vessel on Sime Dewy 30/80 WM boilers.
At a glance
- Also known as 2042420
£35.17
£29.31 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
The Sime 6227637 is a connecting pipe for the domestic hot water (DHW) expansion vessel. It is fitted to Sime Dewy 30/80 WM boilers and links the expansion vessel to the DHW circuit. The pipe allows the expansion vessel to manage pressure changes within the domestic hot water system.
Signs this part needs replacing
- Leaks or weeping at the pipe connections
- Corrosion or rust on the pipe
- Scale or debris causing a blockage
- Loose or damaged fittings
- Unexplained pressure loss in the DHW system
Before you order
- Confirm your boiler model is Sime Dewy 30/80 WM
- Check the part number 6227637 against your existing pipe
- Inspect the pipe connections for thread type and size
- Verify the expansion vessel is not the source of the fault
Compliance
| Alternative numbers | 2042420 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME DEWY 30/80 WM - 8097800 | 47-283-04 | 47-283-04 | — | — |
| SIME SIME DEWY 30/80 WM | — | — | — |
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.
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