Worcester Bosch
Worcester Bosch Seal Secondary Heat Exchanger 87186887990
Seal for the secondary heat exchanger on Worcester Bosch Greenstar Danesmoor and Heatslave II 25/32 ErP appliances.
At a glance
- Part type: secondary heat exchanger seal
- Appliance family: Greenstar Danesmoor and Heatslave II 25/32 ErP
- Also known as 2246841
£111.70
£93.08 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 87186887990 is a seal for the secondary heat exchanger. It is used on Greenstar Danesmoor and Heatslave II 25/32 ErP appliances to maintain a watertight joint at the heat exchanger connection. The seal prevents water loss and protects the heat exchanger from leakage at the sealing face.
Signs this part needs replacing
- Water weeping or dripping from the secondary heat exchanger joint
- Visible hardening, cracking or deformation of the seal
- Corrosion or limescale staining around the heat exchanger connection
- Repeated system pressure loss requiring regular topping up
Before you order
- Confirm your appliance model is listed in the Fits section
- Check the part number 87186887990 against your appliance's parts list
- Inspect the heat exchanger sealing surfaces for damage before fitting
Compliance
| Alternative numbers | 2246841 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR DANESMOOR 25/32 ErP | — | — | — | |
| WORCESTER GREENSTAR DANESMOOR EXTERNAL 25/32 ErP | — | — | — | |
| WORCESTER GREENSTAR DANESMOOR SYSTEM 25/32 ErP | — | — | — | |
| WORCESTER GREENSTAR DANESMOOR SYSTEM EXT 25/32 ErP | — | — | — | |
| WORCESTER GREENSTAR DANESMOOR SYSTEM UTILITY 25/32 ErP | — | — | — | |
| WORCESTER GREENSTAR DANESMOOR UTILITY 25/32 ErP | — | — | — | |
| WORCESTER GREENSTAR HEATSLAVE II 25/32 ErP | — | — | — | |
| WORCESTER GREENSTAR HEATSLAVE II EXT 25/32 ErP | — | — | — |
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.
WORCESTER appliance manual — GREENSTAR DANESMOOR 25/32 ErP, GREENSTAR DANESMOOR SYSTEM 25/32 ErP
manualmanualWORCESTER appliance manual — GREENSTAR DANESMOOR EXTERNAL 25/32 ErP, GREENSTAR DANESMOOR SYSTEM EXT 25/32 ErP
manualmanualWORCESTER appliance manual — GREENSTAR DANESMOOR SYSTEM UTILITY 25/32 ErP, GREENSTAR DANESMOOR UTILITY 25/32 ErP
manualmanualWORCESTER appliance manual — GREENSTAR HEATSLAVE II 25/32 ErP
manualmanualWORCESTER appliance manual — GREENSTAR HEATSLAVE II EXT 25/32 ErP
manualNo technical questions yet for this part.
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