Vaillant Group • Founded 1963 • Italy
Repair and spare parts for Hermann boilers in Madrid
Specialised technical service for the Hermann range in Madrid. Repair of Eura Combi, Super Micra, and Smarter boilers, with quick diagnostics and original spare parts.
💡 Direct response
Hermann is an Italian heating brand belonging to the Vaillant Group since 2003, mainly distributed in Italy and Spain. It shares the technical platform with Saunier Duval și Vaillant, which makes it easier to locate spare parts. Their Eura Combi and Super Micra models were widely installed in Madrid between 2000 and 2015 in new construction developments.
🏆 Vaillant Group
Compatible spare parts for Vaillant and equivalent Saunier Duval. Availability guaranteed.
⚡ Vaillant platform
Current condensing models with Vaillant technology. Compatible with Exacontrol thermostats.
📦 Spare parts in stock
Original and OEM equivalents. Shipping 24-48h throughout Spain.
Hermann product range
- Eura Combi F – Sealed forced draft combi boiler, the most widespread in Madrid.
- Eura System C – boiler for heating only, forced draught, for installations with independent DHW.
- Super Micra – compact combi boiler, standard range. Widely installed in apartments in Madrid 2000‑2010.
- Smarter Plus – condensing combi, Vaillant platform. Current range with higher efficiency.
- Super Nova – Class A condensing. High-efficiency version of the Eura range.
Most common fault codes
Vaillant platform models use F codes. Older models (Super Micra, Eura) have their own codes:
| Code | Meaning | Common cause |
|---|---|---|
| F.22 / E2 | Low pressure | Water below 0.5 bar: refill circuit |
| F.28 / E1 | Ignition fault | Gas cut off, electrode or gas valve |
| F.29 / E3 | No re-ignition | Ionization electrode or control board |
| F.75 / E5 | Pressure not detected | Circulating pump or pressure switch |
| F.62 | Flue gas safety time | Blocked extractor or flue gas sensor |
| E6 | DHW NTC sensor | Defective domestic hot water sensor |
Hermann spare parts in stock
- PCBs (Eura Combi, Super Micra, Smarter Plus)
- Circulator pumps and hydraulic groups
- NTC sensors for heating and DHW
- Gas valves and electrodes
- Extractors and fans
- Heat exchangers and gaskets
Frequently Asked Questions about Hermann Boilers
They are part of the same group (Vaillant), but differentiated brands with their own models. Hermann It is mainly distributed in Italy and part of Spain. The most recent models share the technical platform and many components with equivalent Vaillant and Saunier Duval models, making it easier to locate spare parts.
For models like the Super Micra and Eura Combi manufactured before 2010, some specific spare parts may be difficult to find as originals. However, as they share a platform with equivalent Saunier Duval and Vaillant models, many components (pump, NTC, gas valve, electrode) are interchangeable. Consult us with the model number to confirm availability.
Annual inspection in accordance with RITE regulations and manufacturer's recommendation. Includes cleaning, combustion verification, and issuance of the official certificate.
Does your Hermann boiler need servicing?
Indicate the model and the fault code. We will guide you before the visit.