
Worcester Bosch
Worcester Bosch Connection Union 87133056450
Worcester Bosch 87133056450 connection union for Greenstar gas boilers, joining pipework to a valve or component with a sealed joint.
At a glance
- Part type: Connection union (valves and connections)
- Also known as 1012765
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£48.73
£40.61 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 87133056450 is a connection union used across the Greenstar range of gas boilers. It forms the sealed, serviceable joint between pipework and a valve or connecting component, allowing the joint to be broken and remade during servicing or repair. As a Worcester Bosch component it is specified for the appliance family listed below.
Signs this part needs replacing
- Weeping or dripping at the union joint during operation or after servicing
- Water staining, scale or corrosion around the connection faces
- Difficulty getting the joint to seal when pipework is reassembled
- Visible damage to the union faces, threads or nut
Before you order
- Check the GC number on the appliance data badge against the compatibility list to confirm the correct union for your model.
- Quote part number 87133056450 or alternative number 1012765 when ordering.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | CONNECTION UNION |
|---|
Compliance
| Manufacturer part number (MPN) | 87133056450 |
|---|---|
| GC number | E74-596 |
| Barcode / EAN | 4010009626619 |
| Commodity code | 7412 20 00 00 |
| GPC classification | Connectors - Water, Gas, Central Heating and Air Conduits |
| Alternative numbers | 1012765 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER BRITISH GAS GREENSTAR CC1-FSN-GB NG 29KW COMBI | 47-108-05 | 47-108-05 | — | — |
| WORCESTER BRITISH GAS GREENSTAR GREENSTAR HE PLUS-FSN- GB28KW | 47-311-56 | 47-311-56 | — | — |
| WORCESTER BRITISH GAS GREENSTAR GREENSTAR HE-FSN-GB NG 27KW | 47-311-55 | 47-311-55 | — | — |
| WORCESTER BRITISH GAS GREENSTAR ICC2-FSN-GB NAT 30KW COND COM | 41-108-09 | 41-108-09 | — | — |
| WORCESTER BRITISH GAS GREENSTAR ICC2-FSN-GB NAT 37KW COND COM | 41-108-10 | 41-108-10 | — | — |
| WORCESTER BRITISH GAS GREENSTAR RD537I | 47-108-11 | 47-108-11 | — | — |
| WORCESTER BRITISH GAS RD430I | 41-108-06 | 41-108-06 | — | — |
| WORCESTER BRITISH GAS RD532 | 47-108-13 | 47-108-13 | — | — |
| WORCESTER BRITISH GAS RD532I | 47-108-10 | 47-108-10 | — | — |
| WORCESTER BRITISH GAS RD542I | 41-108-12 | 41-108-12 | — | — |
Showing 10 of 51 compatible appliances.
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 — BRITISH GAS GREENSTAR ICC2-FSN-GB NAT 30KW COND COM (GC 41-108-09), BRITISH GAS GREENSTAR ICC2-FSN-GB NAT 37KW COND COM (GC 41-108-10)
manualmanualWORCESTER appliance manual — CS1 RSF 28KW NG (GC 41-108-02)
manualmanualWORCESTER appliance manual — GREENSTAR 25 HE (GC 47-311-73), GREENSTAR 30 HE COMBI (GC 47-311-74)
manualmanualWORCESTER appliance manual — GREENSTAR 28 HE SYSTEM (GC 41-311-58)
manualmanualWORCESTER appliance manual — GREENSTAR 30 HE PLUS COMBI (GC 47-311-75), GREENSTAR 35 HE PLUS COMBI (GC 47-311-76), GREENSTAR HE PLUS-FSN-GB35KW (GC 47-311-57)
manualmanualWORCESTER appliance manual — GREENSTAR R25HE COMBI (GC 47-311-77), GREENSTAR R30HE COMBI (GC 47-311-78)
manualmanualWORCESTER appliance manual — GREENSTAR R30HE PLUS COMBI (GC 47-311-79), GREENSTAR R35HE PLUS COMBI (GC 47-311-80), GREENSTAR R40HE PLUS COMBI (GC 47-311-81)
manualmanualWORCESTER appliance manual — ICS1 RSF 28KW NG (GC 41-108-04)
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