Saunier Duval
Saunier Duval Heat Exchanger Door S1043200
Heat exchanger door, part S1043200, for selected Saunier Duval Isofast and Isotwin Condens F35E appliances.
At a glance
- Also known as 1420613
£89.93
£74.94 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 heat exchanger door, part number S1043200, is a Saunier Duval component used on Isofast Condens and Isotwin Condens F35E appliances. It closes off the heat exchanger access point on the appliance casing, sealing the combustion side of the assembly. The part is also listed under the burner flange reference for this range.
Signs this part needs replacing
- Visible corrosion or pitting on the door face or sealing edge
- Soot staining or tracking around the door joint, indicating a poor seal
- Distortion or warping of the door plate
- Water weeping or staining at the heat exchanger access point
- Damaged or compressed sealing face that will not seat correctly
Before you order
- Confirm the appliance model is an Isofast Condens F35E or Isotwin Condens F35E
- On Isofast Condens F35E, check the appliance serial number against 0400446159 to select the correct variant
- Match the part number S1043200 against the existing component or the manufacturer's parts list
- Inspect the sealing gasket and fixings at the same time, as these are disturbed during replacement
Compliance
| Alternative numbers | 1420613 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SAUNIER DUVAL ISOFAST CONDENS F35E - AFTER SERIAL No 0400446159 | 47-920-46A | 47-920-46A | — | — |
| SAUNIER DUVAL ISOFAST CONDENS F35E - BEFORE SERIAL No 0400446159 | 47-920-46 | 47-920-46 | — | — |
| SAUNIER DUVAL ISOTWIN CONDENS F35E | 47-920-47 | 47-920-47 | — | — |
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.
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