Baxi logo - Italian manufacturer of the BDR Thermea group

BDR Thermea Group • Founded 1947 • Italy / Netherlands

Repair and spare parts for Baxi boilers in Madrid

Specialised technical service for the complete Baxi range in Madrid and the metropolitan area. Repair of Luna, Nuvola, Platinum, Eco, and Main boilers, with quick diagnostics and original spare parts.

💡 Direct response

Baxi is an Italian brand of boilers founded in 1947, currently integrated into the BDR Thermea Group (Netherlands), which also includes brands such as De Dietrich and Remeha. Their boilers Luna Duo-tec and Platinum+ They are class A condensing and are widely used in the Spanish housing market for homes built between 2005 and 2020.

🏆 BDR Thermea Group

Availability and lead time are confirmed for the specific reference and destination before accepting the order. Not all parts are in stock or have the same supply time.

⚡ Condensation class A

Luna Duo-tec+ and Platinum+ with ErP A+ standard. Compatible with OpenTherm thermostats.

📦 Spare parts in stock

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.


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:

CodeMeaningCommon cause
E01OvertemperatureTemperature >90 °C: safety thermostat or pump stopped
E02Heating NTC sensorDefective or disconnected flow sensor
E03Ignition faultNo flame after 3 attempts: gas cut off or dirty electrode
E32DHW NTC sensorDefective domestic hot water sensor
E40 / E119Low pressureWater below 0.5 bar: refill or repair leak
E43Fan faultExtractor motor blocked or speed sensor
E44Maximum flue gas temperatureFlue 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
View Baxi spare parts catalogue

Frequently Asked Questions about Baxi Boilers

The most common questions we receive about Baxi boilers:

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.

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.

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.

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.

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.

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.