Bosch Control Printed Circuit Board - 87161463320
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Product Information
Full details
The Bosch Control Printed Circuit Board (87161463320) is a critical replacement component designed for homeowners and professional heating technicians maintaining specific Worcester CBI series boilers. It serves as the 'brain' of your heating system, regulating essential functions to ensure safe and efficient operation; however, due to the complexity and safety risks associated with high-voltage electronics, this part requires professional installation by a Gas Safe registered engineer.
All features
| Model Part Number | 87161463320 |
|---|---|
| Brand | Bosch |
Extended Product Information
FAQs
Can I install this PCB myself?
No. Due to gas and electrical safety regulations, this part must be installed by a qualified professional.
How do I know if my PCB is faulty?
Typical signs include non-responsive controls, intermittent boiler lockouts, or specific error codes provided by your boiler's manual.
Is this a genuine Bosch part?
Yes, this is an official Bosch replacement component.
Which models does this board fit?
It is compatible with Worcester 9/14, 14/19, 19/24, 15, and 24 CBI models.
What should I do if the new board does not fix the issue?
Consult a professional technician to check for other failing components like the thermistor, fan, or gas valve, as these may mimic PCB failure symptoms.
Troubleshooting
Boiler shows no display or power
Check the main fuse on the PCB and ensure the power supply to the boiler is active.
Boiler fails to ignite despite pump running
Verify that the ignition sequence commands are being sent from the PCB; check connections to the ignition electrode.
Pros and Cons
Pros
- Ensures compatibility with specific Worcester CBI boiler models
- Restores core functionality to heating systems
- Genuine OEM part ensures safety and quality standards
- Direct fit reduces installation time for qualified technicians
Cons
- Not a consumer-installable part due to high-voltage risks
- Compatibility is limited to specific boiler models
- Requires professional diagnostic verification before purchase
Setup, Compatibility & Care
This board is compatible with Worcester 9/14, 14/19, 19/24, 15, and 24 CBI models.
Installation Steps:
- Confirm the fault is with the board using a multimeter as per the boiler technical manual.
- Isolate the gas and electrical supply to the boiler.
- Remove the front casing and lower the control panel.
- Disconnect all electrical plugs from the old PCB, noting their specific positions.
- Remove the board from its mounting bracket and replace it with the 87161463320 unit.
- Reconnect all harnesses and test for proper ignition sequences.
Care: Keep the boiler cabinet clean and free from dust buildup to prevent overheating, which can shorten the lifespan of sensitive electronic components.