Worcester Bosch
Worcester Bosch Boiler Seal 87110043240
Worcester Bosch 87110043240 boiler seal for Greenstar gas appliances, GC number H04-630, alternative number 1012645.
At a glance
- Part type: Gaskets, o-rings, seals and washers
- Also known as 1012645
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Showing prices
£10.06
£8.38 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 87110043240 is a boiler seal from the manufacturer's gaskets, o-rings, seals and washers range. It is fitted inside Greenstar appliances, where it forms the sealing face at a joint and keeps that connection tight under normal operating temperatures and pressures. The seal is listed under GC number H04-630 and carries the alternative number 1012645.
Signs this part needs replacing
- Water weeping or damp staining around the joint the seal sits in
- The seal material has hardened, flattened or cracked
- Scale, sludge or corrosion build-up on the sealing face
- Recurring pressure loss traced back to a sealed joint
- The seal was disturbed or damaged during a service or component swap
Before you order
- Check the GC number and the appliance serial plate to confirm the correct seal for your model.
- Cross-check the alternative number 1012645 against the part being removed.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Gaskets, o-rings, seals and washers |
|---|
Compliance
| Manufacturer part number (MPN) | 87110043240 |
|---|---|
| GC number | H04-630 |
| Barcode / EAN | 4010009866862 |
| Commodity code | 4016 93 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 1012645 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 12RI LPG | 41-311-64 | 41-311-64 | — | — |
| WORCESTER GREENSTAR 12RI NG | 41-311-63 | 41-311-63 | — | — |
| WORCESTER GREENSTAR 12Ri ErP LPG | 41-406-42 | 41-406-42 | — | — |
| WORCESTER GREENSTAR 12Ri ErP NG | 41-406-41 | 41-406-41 | — | — |
| WORCESTER GREENSTAR 12Ri ErP+ LPG | 41-406-69 | 41-406-69 | — | — |
| WORCESTER GREENSTAR 12Ri ErP+ NG | 41-406-75 | 41-406-75 | — | — |
| WORCESTER GREENSTAR 12i ErP SYSTEM LPG | 41-406-24 | 41-406-24 | — | — |
| WORCESTER GREENSTAR 12i ErP SYSTEM NG | 41-406-23 | 41-406-23 | — | — |
| WORCESTER GREENSTAR 12i SYSTEM LPG | 41-311-69 | 41-311-69 | — | — |
| WORCESTER GREENSTAR 12i SYSTEM NG | 41-311-67 | 41-311-67 | — | — |
Showing 10 of 106 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 — GREENSTAR 12RI LPG (GC 41-311-64), GREENSTAR 12RI NG (GC 41-311-63), GREENSTAR 15RI CONVENTIONAL LPG (GC 41-311-76), GREENSTAR 15RI CONVENTIONAL NG (GC 41-311-75), GREENSTAR 18RI CONVENTIONAL LPG (GC 41-311-78), GREENSTAR 18RI CONVENTIONAL NG (GC 41-311-77), GREENSTAR 24RI LPG (GC 41-311-66), GREENSTAR 24RI NG (GC 41-311-65)
manualmanualWORCESTER appliance manual — GREENSTAR 12Ri ErP LPG (GC 41-406-42), GREENSTAR 12Ri ErP NG (GC 41-406-41), GREENSTAR 15Ri ErP LPG (GC 41-406-44), GREENSTAR 15Ri ErP NG (GC 41-406-43), GREENSTAR 18Ri ErP LPG (GC 41-406-46), GREENSTAR 18Ri ErP NG (GC 41-406-45), GREENSTAR 24Ri ErP LPG (GC 41-406-48), GREENSTAR 24Ri ErP NG (GC 41-406-47)
manualmanualWORCESTER appliance manual — GREENSTAR 12Ri ErP+ LPG (GC 41-406-69), GREENSTAR 12Ri ErP+ NG (GC 41-406-75), GREENSTAR 15Ri ErP+ LPG (GC 41-406-70), GREENSTAR 15Ri ErP+ NG (GC 41-406-76), GREENSTAR 18Ri ErP+ LPG (GC 41-406-71), GREENSTAR 18Ri ErP+ NG (GC 41-406-77), GREENSTAR 21Ri ErP+ LPG (GC 41-406-72), GREENSTAR 21Ri ErP+ NG (GC 41-406-78), GREENSTAR 24Ri ErP+ LPG (GC 41-406-73), GREENSTAR 24Ri ErP+ NG (GC 41-406-79), GREENSTAR 9Ri ErP+ LPG (GC 41-406-68), GREENSTAR 9Ri ErP+ NG (GC 41-406-74)
manualmanualWORCESTER appliance manual — GREENSTAR 12i ErP SYSTEM LPG (GC 41-406-24), GREENSTAR 12i ErP SYSTEM NG (GC 41-406-23), GREENSTAR 15i ErP SYSTEM LPG (GC 41-406-26), GREENSTAR 15i ErP SYSTEM NG (GC 41-406-25), GREENSTAR 18i ErP SYSTEM LPG (GC 41-406-28), GREENSTAR 18i ErP SYSTEM NG (GC 41-406-27), GREENSTAR 21i ErP SYSTEM LPG (GC 41-406-30), GREENSTAR 21i ErP SYSTEM NG (GC 41-406-29), GREENSTAR 24i ErP SYSTEM LPG (GC 41-406-32), GREENSTAR 24i ErP SYSTEM NG (GC 41-406-31), GREENSTAR 9i ErP SYSTEM LPG (GC 41-406-22), GREENSTAR 9i ErP SYSTEM NG (GC 41-406-21)
manualmanualWORCESTER appliance manual — GREENSTAR 12i SYSTEM LPG (GC 41-311-69), GREENSTAR 12i SYSTEM NG (GC 41-311-67), GREENSTAR 15I SYSTEM LPG (GC 41-406-26), GREENSTAR 15I SYSTEM NG (GC 41-311-84), GREENSTAR 18I SYSTEM LPG (GC 41-311-87), GREENSTAR 18I SYSTEM NG (GC 41-311-86), GREENSTAR 24i SYSTEM LPG (GC 41-311-70), GREENSTAR 24i SYSTEM NG (GC 41-311-68)
manualmanualWORCESTER appliance manual — GREENSTAR 24I JUNIOR MK5 LPG (GC 47-406-55), GREENSTAR 24I JUNIOR MK5 NG (GC 47-406-54), GREENSTAR 24I JUNIOR NG (GC 47-311-86), GREENSTAR 24i JUNIOR LPG (GC 47-311-90), GREENSTAR 28I JUNIOR MK5 LPG (GC 47-406-57), GREENSTAR 28I JUNIOR MK5 NG (GC 47-406-56), GREENSTAR 28i JUNIOR LPG (GC 47-311-91), GREENSTAR 28i JUNIOR NG (GC 47-311-87)
manualmanualWORCESTER appliance manual — GREENSTAR 25SI COMBI LPG (GC 47-311-88), GREENSTAR 25SI COMBI NG (GC 47-311-84), GREENSTAR 30 SI COMBI LPG (GC 47-311-89), GREENSTAR 30 SI COMBI NG (GC 47-311-85)
manualmanualWORCESTER appliance manual — GREENSTAR 25i ErP COMBI LPG (GC 47-406-61), GREENSTAR 25i ErP COMBI NG (GC 47-406-60), GREENSTAR 30i ErP COMBI LPG (GC 47-406-63), GREENSTAR 30i ErP COMBI NG (GC 47-406-62)
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