
Worcester Bosch
Worcester Bosch Overheat Thermostat 87161423990
At a glance
- Part type: Overheat thermostat
- Appliance family: CBI series
- Also known as 1018157
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£35.28
£29.40 ex. VAT · VAT at 20%
Call 01302 279234 to check availability
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Worcester Bosch 87161423990 is an overheat thermostat used across the Worcester Bosch CBI range of appliances. It monitors appliance temperature and interrupts the burner sequence when an overheat condition is detected, protecting the heat exchanger and surrounding components from heat damage. It is a direct replacement for the thermostat fitted to these models as original equipment.
Signs this part needs replacing
- The appliance locks out and needs repeated manual resets to run
- The boiler shuts down shortly after firing, before reaching temperature
- No heating or hot water is produced despite a call for heat
- The overheat trip operates when there is no obvious cause elsewhere in the system
- An overheat condition is indicated at the appliance controls
Before you order
- Check the GC number on the appliance data plate against the compatibility list above before ordering
- Confirm the thermostat currently fitted carries the part number 87161423990
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Overheat thermostat |
|---|
Compliance
| Manufacturer part number (MPN) | 87161423990 |
|---|---|
| GC number | E60-493 |
| Barcode / EAN | 4010009726982 |
| Commodity code | 9032 10 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | WB87161423990, 8-716-142-399-0, 1018157 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER 14/19 CBI LPG | 41-311-53 | 41-311-53 | — | — |
| WORCESTER 14/19 CBI NG | 41-311-52 | 41-311-52 | — | — |
| WORCESTER 15 CBI NG | 41-311-47 | 41-311-47 | — | — |
| WORCESTER 19/24 CBI LPG | 41-311-55 | 41-311-55 | — | — |
| WORCESTER 19/24 CBI NG | 41-311-54 | 41-311-54 | — | — |
| WORCESTER 24 CBI NG | 41-311-48 | 41-311-48 | — | — |
| WORCESTER 9/14 CBI LPG | 41-311-51 | 41-311-51 | — | — |
| WORCESTER 9/14 CBI NG | 41-311-50 | 41-311-50 | — | — |
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 — 14/19 CBI LPG (GC 41-311-53), 14/19 CBI NG (GC 41-311-52), 19/24 CBI LPG (GC 41-311-55), 19/24 CBI NG (GC 41-311-54), 9/14 CBI LPG (GC 41-311-51), 9/14 CBI NG (GC 41-311-50)
manualmanualWORCESTER appliance manual — 15 CBI NG (GC 41-311-47), 24 CBI NG (GC 41-311-48)
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