1. Introducció
This instruction manual provides essential information for the Buderus Large Maintenance Kit, designed for specific Buderus and Sieger boiler models. This kit contains critical components necessary for routine maintenance, ensuring the efficient and safe operation of your heating system. Regular maintenance using genuine parts helps to prolong the lifespan of your boiler and maintain its performance.
2. Contingut del paquet
Carefully unpack the maintenance kit and verify that all components listed below are present and undamaged. If any item is missing or damaged, please contact your supplier immediately.

Imatge 1: acabatview of the Buderus Large Maintenance Kit components. The image displays a cardboard box labeled "Buderus Wartungsset" (Buderus Maintenance Kit) in the background. In the foreground, various parts are neatly arranged: a large rectangular gasket, a white cleaning comb with metal bristles, a large white O-ring, an igniter with an adapter and gasket, an ionization electrode, a smaller brown gasket, a black O-ring, and various wires and connectors.
- 1x Igniter with Adapter and Gasket: Essential for initiating the combustion process in the boiler.
- 1x Ionization Electrode: Detects the flame, ensuring safe operation by preventing gas accumulation.
- 1x Condensate Collector Gasket: Provides a seal for the condensate collection system.
- 1x Burner Gasket: Ensures a tight seal for the burner unit.
- 1x Cleaning Comb: Used for cleaning the heat exchanger fins or other boiler components.
3. Compatibilitat
This Buderus Large Maintenance Kit is compatible with the following boiler models:
- Buderus GB112 11-24 (including GB112-11W, GB112-19W, GB112-24W)
- Buderus GB142 15-30
- Sieger BK11 W18-24
- Sieger WT24
Please verify your boiler model number before proceeding with installation to ensure proper fit and function.
4. Pautes d'instal·lació
La seguretat primer: Before attempting any installation or maintenance, ensure the boiler is completely powered off and isolated from the main electricity supply. Close all gas and water supply valves. Allow the boiler to cool down completely. If you are not confident in performing these tasks, it is highly recommended to consult a qualified heating engineer.
- Preparació: Gather all necessary tools, including screwdrivers, wrenches, and cleaning supplies. Ensure adequate lighting in your workspace.
- Access Boiler Components: Refer to your specific boiler's service manual for instructions on how to safely access the igniter, ionization electrode, burner, and condensate collector areas. This typically involves removing the boiler casing.
- Replace Igniter: Carefully disconnect the old igniter's wiring. Remove the old igniter and its gasket. Install the new igniter with its adapter and new gasket, ensuring a secure fit and proper electrical connections.
- Replace Ionization Electrode: Disconnect the wiring from the old ionization electrode. Remove the old electrode and install the new one, ensuring correct positioning and electrical connection.
- Substituir les juntes: Remove the old condensate collector gasket and burner gasket. Clean the sealing surfaces thoroughly. Install the new gaskets, ensuring they are correctly seated to prevent leaks.
- Neteja: Use the provided cleaning comb to carefully clean any accessible heat exchanger fins or other components as recommended by your boiler's service manual. Remove any debris or soot.
- Remuntatge: Once all components are replaced and cleaned, carefully reassemble the boiler casing, ensuring all screws and fasteners are tightened appropriately.
- Comprovació posterior a la instal·lació: Restore gas, water, and electrical supplies. Perform a functional test of the boiler, checking for any leaks or unusual operation. If any issues arise, immediately shut down the boiler and consult a professional.
5. Consideracions operatives
This maintenance kit does not directly involve operating procedures for the boiler. However, proper installation of these components is crucial for the boiler's correct and safe operation. A correctly installed igniter ensures reliable startup, while a functional ionization electrode guarantees flame detection for safety. Properly sealed gaskets prevent gas and water leaks, maintaining efficiency and safety.
After installing the kit, always refer to your boiler's main operating manual for instructions on how to start, adjust, and monitor your heating system.
6. Calendari de manteniment
This kit is designed for periodic maintenance. The frequency of maintenance depends on your boiler's usage, water quality, and manufacturer recommendations. Generally, boilers should be serviced annually by a qualified technician. During this service, components like those in this kit are inspected and replaced as needed to ensure optimal performance and prevent breakdowns.
Key maintenance activities related to this kit include:
- Igniter and Ionization Electrode Inspection: Check for wear, corrosion, or carbon buildup. Replace if damaged or if ignition/flame detection issues occur.
- Substitució de la junta: Gaskets can harden or crack over time, leading to leaks. Replace them during routine service to maintain airtight and watertight seals.
- Neteja: Regular cleaning of combustion components and heat exchangers prevents efficiency loss and potential blockages.
7. Solució De Problemes
If your boiler exhibits issues after installing the maintenance kit, consider the following common troubleshooting steps. Always prioritize safety and consult a professional if you are unsure.
| Símptoma | Causa possible | Acció |
|---|---|---|
| La caldera no s'encén | Faulty or incorrectly installed igniter; no gas supply; electrical connection issue. | Check igniter connections. Ensure gas supply is open. Verify igniter is correctly positioned. |
| Boiler ignites then immediately shuts down | Faulty or incorrectly installed ionization electrode; poor flame signal. | Check ionization electrode connections and positioning. Ensure it is clean. |
| Gas or water leaks detected | Gaskets not properly seated or damaged during installation. | Immediately shut down boiler. Inspect and re-seat or replace relevant gaskets. |
| Reduced boiler efficiency or unusual noises | Soot or debris buildup; components not correctly installed. | Ensure all components are clean and correctly installed. Consult a technician for internal cleaning. |
For persistent issues or complex problems, always contact a certified heating technician.
8. Especificacions
- Fabricant: Buderus
- Part Number (Reference): 2402175
- Pes de l'article: Approximately 997.9 grams (2.2 pounds)
- Compatibilitat: Buderus GB112 11-24, GB142 15-30; Sieger BK11 W18-24, WT24
- Disponibilitat de peces de recanvi: Informació no disponible
9. Garantia i Suport
Information regarding specific warranty terms for this maintenance kit is not provided in the product details. For warranty inquiries or technical support, please contact your original point of purchase or an authorized Buderus service center. Always retain your proof of purchase.





