
Honeywell PCB for Cointra CTS 24/60 EI and CTS 24/60 I
The Honeywell PCB, reference LMU33.201C149, is a key component for the proper functioning of the Cointra CTS 24/60 EI boiler. This part is responsible for controlling the ignition, the modulation of the burner, the pump, and the safety features of the boiler. If it malfunctions, the user will notice that the boiler does not start, locks out, or operates erratically. It is compatible with models from the Cointra CTS range, such as the CTS 24/60 EI. It is recommended to replace it when these symptoms are detected to ensure the proper operation of the boiler.
VAT included
Consult via WhatsAppCointra boilers compatible with reference 201C149
PCB with reference 201C149. A proven compatibility: CTS 24/60 EI.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Cointra CTS 24/60 EI | Cointra CTS | Contrasted |
Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.
How to check if ref. 201C149 is the part for your boiler
What determines it is not the boiler model, but the reference printed on the part you already have installed.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 201C149. If it is not visible, do not identify the part from its shape alone.
- Check the full boiler model on its data plate and look for it in the model associations on this page.
- Compare the connections and physical body with the original part before installation.
- If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Symptoms and faults that the PCB 201C149 resolves.
The PCB controls the ignition, modulation, and safety features of the boiler. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
The boiler is completely dead: no pilot light, no display, no noise when pressing the power button.
Cause: The PCB distributes power to the other components; if it fails, nothing starts.
Check that power is reaching the boiler (socket, differential switch of the house) before declaring the PCB as dead.
- 02
Fault codes appear intermittently without matching a clear fault.
Cause: The control electronics misinterpret the sensor signals and trigger false lockouts.
Turn the boiler off and on and note if the fault code reappears or if it was a one-time occurrence.
- 03
The control or the thermostat is not getting the boiler to respond.
Cause: The PCB controls the communication with the remote; if it fails, the commands do not reach.
Check that the remote control has batteries, is synchronized, and that the cable or connector to the PCB is properly connected.
- 04
The boiler turns on and off by itself, or it short cycles without anyone requesting heat.
Cause: A relay on the PCB that gets stuck or is poorly controlled causes starts and stops on its own.
Check that there is no thermostat or programmable thermostat continuously calling for heat before suspecting the PCB.
These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.
Data sheet for the PCB Cointra 201C149
- Catalogue reference
- 201C149
- Brand
- Cointra
- Type of part
- PCBs (control boards)
- Units in stock
- 4 units
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- 1-2 business days
- Return
- 14 days
Data read on the part and in the manufacturer's documentation
What we have not been able to verify does not appear here.
- Component manufacturer
- Honeywell
- The manufacturer listed on the part is Honeywell, not Cointra: it is the component manufacturer, not the boiler manufacturer.


