Worcester Bosch
Worcester Bosch Connection Plate 87113048370
Worcester Bosch connection plate 87113048370 for Greenstar and British Gas 430/I boilers; alternative number 1020838.
At a glance
- Part type: Adaptors and connectors (connection plate)
- Also known as 1020838
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Showing prices
£68.75
£57.29 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Worcester Bosch 87113048370 is a connection plate used on Worcester Bosch and Worcester British Gas condensing boilers. It forms the interface between the appliance's internal pipework and the external heating and hot water connections, providing a sealed joint at the base of the boiler. The plate is a serviceable item, so it can be renewed when the original joint corrodes, scales up or begins to weep.
Signs this part needs replacing
- Water weeping or dripping from the plate area at the base of the boiler
- Corrosion, staining or scale around the plate joints and pipe stubs
- Debris or sludge build-up restricting flow through the connection point
- Repeated loss of system pressure traced back to the plate
- Difficulty achieving a watertight seal when the joint is remade
Before you order
- Check the GC number or data badge on the appliance to confirm the exact model before ordering
- Confirm the alternative number 1020838 matches the part being removed
- Check whether the sealing washers or O-rings on the existing plate need renewing at the same time
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Adaptors & Connectors |
|---|
Compliance
| Manufacturer part number (MPN) | 87113048370 |
|---|---|
| GC number | H37-326 |
| Barcode / EAN | 4010009283492 |
| Commodity code | 8403 90 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 1020838 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER BRITISH GAS 430/I | 41-311-80 | 41-311-80 | — | — |
| WORCESTER BRITISH GAS GREENSTAR 430/I SYSTEM LPG | 41-311-81 | 41-311-81 | — | — |
| WORCESTER GREENSTAR 30CDI ErP CLASSIC LPG | 41-406-38 | 41-406-38 | — | — |
| WORCESTER GREENSTAR 30CDI ErP CLASSIC NG | 41-406-37 | 41-406-37 | — | — |
| WORCESTER GREENSTAR 30CDI SYSTEM LPG | 41-311-97 | 41-311-97 | — | — |
| WORCESTER GREENSTAR 30CDI SYSTEM NG | 41-311-93 | 41-311-93 | — | — |
| WORCESTER GREENSTAR 35CDI ErP CLASSIC SYSTEM LPG | 41-406-40 | 41-406-40 | — | — |
| WORCESTER GREENSTAR 35CDI ErP CLASSIC SYSTEM NG | 41-406-39 | 41-406-39 | — | — |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R LPG | — | — | — | |
| WORCESTER GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R NG | 41-406-98 | 41-406-98 | — | — |
Showing 10 of 82 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
WORCESTER appliance manual — BRITISH GAS 430/I (GC 41-311-80), BRITISH GAS GREENSTAR 430/I SYSTEM LPG (GC 41-311-81)
manualmanualWORCESTER appliance manual — GREENSTAR 30CDI ErP CLASSIC LPG (GC 41-406-38), GREENSTAR 30CDI ErP CLASSIC NG (GC 41-406-37)
manualmanualWORCESTER appliance manual — GREENSTAR 30CDI SYSTEM LPG (GC 41-311-97), GREENSTAR 30CDI SYSTEM NG (GC 41-311-93)
manualmanualWORCESTER appliance manual — GREENSTAR 35CDI ErP CLASSIC SYSTEM LPG (GC 41-406-40), GREENSTAR 35CDI ErP CLASSIC SYSTEM NG (GC 41-406-39)
manualmanualWORCESTER appliance manual — GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 30 R NG (GC 41-406-98), GREENSTAR 8000 LIFE REGULAR GR8300iW 35 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 35 R NG (GC 41-406-97), GREENSTAR 8000 LIFE REGULAR GR8300iW 40 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 40 R NG (GC 41-406-96), GREENSTAR 8000 LIFE REGULAR GR8300iW 45 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 45 R NG (GC 41-406-95), GREENSTAR 8000 LIFE REGULAR GR8300iW 50 R LPG, GREENSTAR 8000 LIFE REGULAR GR8300iW 50 R NG (GC 41-406-94), GREENSTAR LIFE GR8300iW 30 R LPG, GREENSTAR LIFE GR8300iW 30 R NG (GC 41-406-98), GREENSTAR LIFE GR8300iW 35 R LPG, GREENSTAR LIFE GR8300iW 35 R NG (GC 41-406-97), GREENSTAR LIFE GR8300iW 40 R LPG, GREENSTAR LIFE GR8300iW 40 R NG (GC 41-406-96), GREENSTAR LIFE GR8300iW 45 R LPG, GREENSTAR LIFE GR8300iW 45 R NG (GC 41-406-95), GREENSTAR LIFE GR8300iW 50 R LPG, GREENSTAR LIFE GR8300iW 50 R NG (GC 41-406-94)
manualmanualWORCESTER appliance manual — GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S LPG, GREENSTAR 8000 LIFE SYSTEM GR8300iW 30 S NG (GC 41-406-91), GREENSTAR 8000 LIFE SYSTEM GR8300iW 35 S LPG, GREENSTAR 8000 LIFE SYSTEM GR8300iW 35 S NG (GC 41-406-90), GREENSTAR LIFE GR8300iW 30 S LPG, GREENSTAR LIFE GR8300iW 30 S NG (GC 41-406-91), GREENSTAR LIFE GR8300iW 35 S LPG, GREENSTAR LIFE GR8300iW 35 S NG (GC 41-406-90)
manualmanualWORCESTER appliance manual — GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 S LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 S NG (GC 41-406-87), GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 SB LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 30 SB NG (GC 41-406-83), GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 S LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 S NG (GC 41-406-86), GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 SB LPG, GREENSTAR 8000+ STYLE SYSTEM GR8700iW 35 SB NG (GC 41-406-82), GREENSTAR STYLE GR8700iW 30 S LPG, GREENSTAR STYLE GR8700iW 30 S NG (GC 41-406-87), GREENSTAR STYLE GR8700iW 30 SB LPG, GREENSTAR STYLE GR8700iW 30 SB NG (GC 41-406-83), GREENSTAR STYLE GR8700iW 35 S LPG, GREENSTAR STYLE GR8700iW 35 S NG (GC 41-406-86), GREENSTAR STYLE GR8700iW 35 SB LPG, GREENSTAR STYLE GR8700iW 35 SB NG (GC 41-406-82)
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