Repair and spare parts for Baxi boilers in Madrid
Repair and spare parts inquiry for Baxi in Madrid. Please provide the model, the symptom, and your location to confirm the scope. Independent multi-brand service from the manufacturer.
What do we need to check your Baxi Roca boiler?
To inquire about a Baxi repair, identify the complete model of the appliance and describe the symptom. A brand or an isolated code does not confirm a compatible spare part. Uniclima offers independent multi-brand support; this page does not certify affiliation with the manufacturer's official service.
- Identify the equipment
- Please provide an exterior photograph of the label, if accessible, along with the model of the involved units.
- Describe the problem.
- Indicate which function is failing, since when, and the exact warning that appears.
- Confirm the scope.
- Add location and access; diagnosis, spare parts, travel, and date are confirmed for each case.
Boiler services
Baxi product range
Condensing boilers
- Luna Duo-tec+ – high-efficiency combi condensing, integrated hydraulic module. The best-selling in the range in Spain.
- Nuvola Duo-tec+ – with integrated stratified DHW tank (30 L). Ideal for families with high hot water demand.
- Platinum+ – A++ class condensing, stainless steel boiler body, ultra-compact design.
- Multifit - Condensing boiler for replacing conventional equipment. Widely used in renovations.
Standard boilers
- Luna3 Comfort – standard forced draught. Widely used in apartments in Madrid between 2000 and 2015.
- Eco3 Compact - Boiler for heating only, forced draught. Compact for small technical cabinets.
- Main5 – standard economic range, simple replacement installations.
Most common fault codes
Baxi boilers display fault codes on the screen. The most common ones in homes in Madrid:
| Code | Meaning | Common cause |
|---|---|---|
| E01 | Overtemperature | Temperature >90 °C: safety thermostat or pump stopped |
| E02 | Heating NTC sensor | Defective or disconnected flow sensor |
| E03 | Ignition fault | No flame after 3 attempts: gas cut off or dirty electrode |
| E32 | DHW NTC sensor | Defective domestic hot water sensor |
| E40 / E119 | Low pressure | Water below 0.5 bar: refill or repair leak |
| E43 | Fan fault | Extractor motor blocked or speed sensor |
| E44 | Maximum flue gas temperature | Flue gas sensor out of range |
Baxi parts: availability by reference
Check availability and shipping conditions for the specific reference. The timeframe depends on stock and destination; it is confirmed when preparing the proposal or order.
- PCB control boards (Luna3, Nuvola, Platinum)
- Circulator pumps and hydraulic groups
- NTC sensors for heating and DHW
- Gas valves and micro pressure switches
- Extractors and fans
- Plate and twin-tube heat exchangers
- Ignition and ionisation electrodes
Frequently Asked Questions about Baxi Boilers
The most common questions we receive about Baxi boilers:
Are Baxi and Roca the same brand?
No. Baxi is an Italian brand of BDR Thermea Group (Netherlands), which also includes De Dietrich and Remeha. Baxi Roca is a Spanish company (Grupo Roca Corporación) completely independent. Although in Spain they were distributed together for years under the brand Baxi Roca, they are different manufacturers with independent technical platforms.
What does fault code E03 do on a Baxi boiler?
E03 indicates ignition faultThe boiler attempted to ignite 3 times without detecting a flame and locked out for safety. First, check that the gas is open. If it is, the most common causes are a dirty or worn ignition electrode, a faulty gas valve, or low gas pressure in the network. Reset the boiler and if it repeats, call a technician.
Is it worth repairing an old Baxi boiler?
Before replacing a boiler, compare the full cost of repair and new installation, equipment condition, material availability and your home's consumption. A percentage of savings or amortisation period cannot be promised without studying the case.
Why is my Baxi boiler not providing hot water?
If the boiler heats well but there is no DHW, the most common causes are: Defective DHW NTC sensor (E32), blocked plate heat exchanger (limestone in hard water areas like Madrid) or stuck 3-way valve In heating mode. If there is low water pressure at the tap, check the flow meter.
How often should a Baxi boiler be serviced?
Maintenance, regulatory inspection and warranty conditions are different matters. Frequency depends on the equipment, power, use and maintenance manual. The contract identifies included visits and operations; it does not alone equate to a certificate or official inspection.
How can I identify the model of my Baxi boiler?
The rating plate It is located on the lower front or side. It shows the range (e.g. Luna3 Comfort), the power in kW, and the serial number. If the plate is illegible, send us a photo by contact and we help you identify the exact model to locate the correct spare parts.
Does your Baxi boiler need servicing?
Indicate the model and the fault code. We will guide you before the visit.
