Description
Baxi Duo Tec 40 HE KIT PCB C40 LMU34C 7690353 | Duo Tec 40 & Platinum 40 Boilers
The Baxi Duo Tec 40 HE PCB controls and manages all key boiler functions to ensure smooth and efficient operation. This refurbished PCB helps restore full heating and hot water performance. The part number 7690353 ensures accurate compatibility and reliable fitting. This genuine OEM boiler control board is refurbished, tested, and ready for dependable use in your Baxi boiler.
Compatible Boilers
Baxi Duo Tec HE Series
- Duo Tec 40 HE (GC No. 47-075-26)
- Duo Tec 40 HE A (Issue 8) (GC No. 47-075-38)
Baxi Duo Tec ErP Series
- Duo Tec 40 Combi ErP (Serial Ending AC Issue 3) (GC No. 47-077-03 AC)
- Duo Tec 40 Combi ErP (Serial Ending BC Issue 2) (GC No. 47-077-03 BC)
- Duo Tec 40 Combi ErP (Serial Ending CC) (GC No. 47-077-03 CC)
- Duo Tec 40 Combi ErP (Serial Ending DC) (GC No. 47-077-03 DC)
Baxi Platinum Combi Series
- Platinum Combi 33 HE (GC No. 47-075-29)
- Platinum Combi 40 HE (GC No. 47-075-30)
- Platinum Combi 40 HE A (Issue 4) (GC No. 47-075-34)
Baxi 40 Combi ErP Series
- 40 Combi ErP (Serial Ending CC) (GC No. 47-077-07 CC)
- 40 Combi ErP (Serial Ending DC) (GC No. 47-077-07 DC)
- 40 Combi ErP (Serial Ending EC) (GC No. 47-077-07 EC)
- 40 Combi ErP (Serial Ending AC Issue 2) (GC No. 47-077-07 AC)
- 40 Combi ErP (Serial Ending BC Issue 2) (GC No. 47-077-07 BC)
If you’re looking for a Baxi Combi 33 HE PCB Kit 7690388 or any other different Baxi PCB, follow the link provided.
Why Choose This Product?
This Baxi Duo Tec 40 HE PCB offers a reliable solution for boiler control faults and performance issues. It helps fix problems such as no heating, no hot water, or system errors. Each unit undergoes detailed testing to ensure stable operation. This genuine OEM boiler control board delivers consistent performance and extends the lifespan of your boiler. It also provides a cost-effective alternative to buying a new part.
Delivery and Return
All orders placed before 1 PM are dispatched on the same working day. You can select standard delivery or upgrade to next-day service at checkout. Returns are accepted within 30 days if the item remains in its original condition. Always use a Gas Safe registered engineer for safe installation and correct setup.
FAQs
1. What does the Baxi Duo Tec 40 HE PCB do?
It controls all main boiler functions, including ignition, heating, and hot water flow.
2. Is this PCB compatible with ErP models?
Yes. This PCB fits multiple Duo Tec 40 HE and ErP variants with matching part number 7690353.
3. Can this PCB fix boiler faults or error codes?
Yes. A faulty PCB often causes no heating, no hot water, or error codes. Replacement restores normal operation.
4. Is this PCB refurbished and tested?
Yes. Each unit is refurbished, tested, and checked to ensure reliable performance.
5. Who should install this PCB?
A Gas Safe registered engineer should install the PCB for safe and correct operation.






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