Description
Baxi 7690352 PCB (Refurbished) | Duo Tec, Platinum & 33kW Boilers
The Baxi 7690352 KIT PCB C33 LMU34C (refurbished) is a genuine manufacturer printed circuit board designed for 33kW Baxi combi boilers, including Duo Tec, Platinum, and ErP models. The PCB is the boiler’s main electronic control unit, responsible for ignition control, flame supervision, pump operation, temperature regulation, and integrated safety monitoring.
A faulty PCB can cause boiler lockouts, intermittent faults, loss of heating or hot water, or persistent error codes. Replacing the defective board with this Baxi 7690352 PCB restores stable boiler operation and reliable performance.
Baxi Boilers
Baxi Duo Tec 33
Duo Tec 33 HE A (After Serial No. BTH1112 – Issue 9) – 47-075-37
Duo Tec 33 Combi ErP (AC) – 47-075-99 AC
Duo Tec 33 Combi ErP (BC) – 47-075-99 BC
Duo Tec 33 Combi ErP (CC) – 47-075-99 CC
Duo Tec 33 Combi ErP (DC) – 47-075-99 DC
Baxi Platinum 33
Platinum Combi 33 HE A (After Serial No. BNE1112 – Issue 5) – 47-075-33
Baxi 33 Combi ErP
33 Combi ErP (AC) – 47-077-06 AC
33 Combi ErP (BC) – 47-077-06 BC
33 Combi ErP (CC) – 47-077-06 CC
33 Combi ErP (DC) – 47-077-06 DC
33 Combi ErP (EC) – 47-077-06 EC
Potterton Boilers
Potterton Gold 33
Gold 33 HE A Combi (After Serial No. GNL1112) – 47-393-20
Gold 33 Combi ErP (AC) – 47-393-46
Gold 33 Combi ErP (BC & CC) – 47-393-46 BC
Gold 33 Combi ErP (DC) – 47-393-46 DC
Gold 33 Combi ErP (EC) – 47-393-46 EC
Potterton Heatmax 33
Heatmax Combi 33 HE (Before Serial No. FMN1112) – 47-393-29 BEFORE
Heatmax Combi 33 HE (After Serial No. FMN1112) – 47-393-29
Potterton Promax 33
Promax Combi 33 ErP (AC) – 47-393-49 AC
Promax Combi 33 ErP (BC & CC) – 47-393-49 BC
Promax Combi 33 ErP (DC) – 47-393-49 DC
Promax Combi 33 ErP (EC) – 47-393-49 EC
Potterton Titanium 33
Titanium 33 – 47-393-41
Titanium 33 Combi ErP (AC) – 47-393-52
Titanium 33 Combi ErP (BC & CC) – 47-393-52 BC
Titanium 33 Combi ErP (DC) – 47-393-52 DC
Titanium 33 Combi ErP (EC) – 47-393-52 EC
Prices: Must be remembered all prices are inclusive of VAT.
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above
BAXI BOILER SPARES
Meanwhile, if you are looking for any Baxi-related products please click the link: Baxi spares
Also, for Diverter valves for Baxi please click the link: Baxi Diverter Valves
You can also check our whole range of PCBs for Baxi please click the link: Baxi PCBs
Here is also the list of Pumps for Baxi please click the link: Baxi Pumps
In case you are looking for Fans for Baxi please click the link: Baxi Fans
MAIN BOILER SPARES
Also, if you are looking for any Main’s-related products please click the link: Main’s spares
Also, for Diverter valves for Potterton please click the link: Main’s Diverter Valves
You can also check our whole range of PCBs for Main’s please click the link: Main’s PCBs
Here is also the list of Pumps for Potterton please click the link: Main’s Pumps
In case you are looking for Fans for Potterton please click the link: Main’s Fans
POTTERTON BOILER SPARES
For Potterton spares, if you are looking for any Potterton-related products please click the link: Potterton spares
Also, for Diverter valves for Potterton please click the link: Potterton Valves
You can also check our whole range of PCBs for Potterton please click the link: Potterton PCBs
Here is also the list of Pumps for Potterton please click the link: Potterton Pumps
In case you are looking for Fans for Potterton please click the link: Potterton Fans
At Heating and catering parts,
We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy
We appreciate you buying from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.
Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
In a word thank you for choosing us!
FAQs
1. Which boilers does this PCB fit?
This PCB fits Baxi Duo Tec 33 HE A, Duo Tec 33 Combi ErP, Platinum Combi 33 HE A, and 33 Combi ERP models. It is also compatible with some Potterton boilers. Check your serial number and GC reference to confirm compatibility.
2. What is the part number for this replacement PCB?
The part number for this PCB is 7690352. Ensure your boiler matches this part number before ordering.
3. Is this PCB easy to install?
Yes, this PCB is designed for straightforward installation by a qualified Gas Safe registered engineer. It replaces the existing circuit board to restore proper boiler function.
4. Does this PCB come with a warranty?
Yes, this PCB comes with a 12-month warranty for reliable performance and assurance.
5. How long does delivery take?
Orders placed before 1:00 p.m. (Monday–Friday) are dispatched the same day. Standard delivery takes 2–3 working days, with next-day or Saturday delivery available at checkout.








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