
Sime
Sime Format DGT main heat exchanger body 6319290
Main heat exchanger body for the Sime Format DGT 20 HE, 25 HE, 30 HE and 35 HE boiler range.
At a glance
- Also known as 8922365
- Have the replacement fitted by a Gas Safe registered engineer
£924.72
£770.60 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 6319290 is the main heat exchanger body fitted to Sime's Format DGT HE boiler range. It transfers the heat produced by the burner into the water circulating through the appliance. Sime has updated this part to the current version 6319290A, which also replaces the earlier 6319201 and 9202 references.
Signs this part needs replacing
- Water leaking from around the heat exchanger
- Reduced or fluctuating hot water/heating output
- Kettling or banging noises when the boiler fires
- Lockouts linked to overheat or flow sensors
Before you order
- Confirm the GC number on your appliance data plate
- Match the part number printed on your existing heat exchanger
- Isolate gas, electricity and water before removal
- Have the replacement fitted by a Gas Safe registered engineer
Compliance
| Alternative numbers | 8922365 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME FORMAT DGT HE20 SYSTEM - 8108118 | 41-283-18 | 41-283-18 | — | — |
| SIME FORMAT DGT HE25 - 8108110 | 47-283-24 | 47-283-24 | — | — |
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.
