
Sime
Sime Air-Gas Hose Kit 6278855
Air-gas hose kit for Sime Format DGT HE and Open DGT HE gas boilers, manufacturer part 6278855.
At a glance
- Also known as 2042972
£75.50
£62.92 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 AIR-GAS HOSE KIT is a Sime hose assembly supplied under manufacturer part number 6278855. It is used on Sime Format DGT HE and Open DGT HE gas boilers, where it forms part of the air and gas circuit. The kit is a serviceable item for repairing or restoring the air-gas connection on these appliance families.
Signs this part needs replacing
- Visible cracking, splitting or perishing of the hose material
- Gas smell or a detected leak around the hose connections
- Loose or degraded hose joints that will not seal correctly
- Combustion readings that have drifted and cannot be set within tolerance
- Damage found during a routine service or tightness test
Before you order
- Confirm the boiler model from the appliance rating plate against the fits list
- Check the existing hose against the manufacturer part number 6278855
- Inspect the hose connections and clips for condition before fitting
- Confirm whether any associated seals or clips are required for the job
Compliance
| Alternative numbers | 2042972 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME FORMAT DGT HE 12 T MET - 8108106 | — | — | — | |
| SIME FORMAT DGT HE 20 T MET - 8108108 | — | — | — | |
| SIME FORMAT DGT HE 25/15 MET - 8108140 | — | — | — | |
| SIME FORMAT DGT HE12 SYSTEM - 8108116 | — | — | — | |
| SIME FORMAT DGT HE20 SYSTEM - 8108118 | 41-283-18 | 41-283-18 | — | — |
| SIME FORMAT DGT HE25 - 8108110 | 47-283-24 | 47-283-24 | — | — |
| SIME OPEN DGT HE 20T MET - 8104914 | — | — | — | |
| SIME OPEN DGT HE 25 MET - 8104910 | — | — | — | |
| SIME OPEN DGT HE 25/15 MET - 8104916 | — | — | — |
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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