
Worcester Bosch
Worcester Bosch Heat Exchanger 35CDi II RSF 87161026750
Worcester Bosch gas to water heat exchanger, part 87161026750, for 35CDi II RSF combi boilers running natural gas or LPG.
At a glance
- Part type: Gas to water heat exchanger
- Also known as 1013973
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£362.15
£301.79 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 Worcester Bosch gas to water heat exchanger, part 87161026750, transfers heat from the burner's combustion gases into the water circuit of the 35CDi II RSF combi boiler. It sits in the flue gas path and forms the link between the combustion side and the domestic hot water and heating side of the appliance. It is supplied as a Worcester Bosch spare for the 35CDi II RSF family.
Signs this part needs replacing
- Hot water runs lukewarm or the flow rate at the tap drops away
- Kettling, banging or rumbling from the boiler during a heating or hot water demand
- The appliance overheats, locks out or needs repeated resetting
- Water weeping or staining around the heat exchanger body or its connections
- Combustion readings drift outside the limits given in the boiler's service documentation
Before you order
- Check the GC number on the appliance data badge against the list above before ordering.
- Alternative part number 1013973 may appear on older documentation for the same component.
- Inspect the heat exchanger gaskets and seals and replace them if they are disturbed during removal.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Gas to water heat exchanger |
|---|
Compliance
| Manufacturer part number (MPN) | 87161026750 |
|---|---|
| GC number | E80-443 |
| Barcode / EAN | 4010009749691 |
| Commodity code | 8419 50 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 1013973 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER 35 CDI II RSF LPG | 47-311-59 | 47-311-59 | — | — |
| WORCESTER 35 CDI II RSF NG | 47-311-58 | 47-311-58 | — | — |
| WORCESTER WORCESTER 35CDi II RSF LPG | — | — | — | |
| WORCESTER WORCESTER 35CDi II RSF NATURAL GAS | — | — | — |
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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