Aquaheat recommends a complete boiler strip down every 5-6 years on Worcester Bosch  Cdi Classic range

A Step-by-Step Guide to Carrying Out a Strip Down Boiler Service to a Worcester Bosch CDi Classic

Maintaining a Worcester Bosch CDi Classic boiler is key to ensuring it runs smoothly and efficiently. By performing a strip down boiler service on your boiler, you can be sure the components are regularly checked, reducing the risk of costly breakdowns. Here’s a step-by-step guide to performing a strip down boiler service on a Worcester Bosch CDi Classic. 

1. Gather the Tools and Protective Wear: Before you start the strip down boiler service, ensure you have the right tools and protective wear. You’ll need safety goggles, protective gloves, a spanner, a screwdriver and a toolkit.

2. Isolate the Power: Before you start your strip down boiler service, switch off the power from the main source and disconnect from the mains supply. This will prevent any electrics from triggering during the strip down process.

3. Remove the Outer Cover: Using the screwdriver, gently unscrew the screws securing the outer cover, making sure to keep them safe for re-attaching the cover once the service is complete.

4. Disconnect and Remove the burner fan head, electrodes, electrode leads and main burner.

5. Inspect the Components and parts of the boiler, such as the heat exchanger and the air intake chamber. use a special tool to clean inside the main heat cell. flush this through after with water, and remove and clean the condensing trap.

6. Reassemble the Parts: Supply and fit new electrodes, leads, burner skin and diaphragm valve and seal.

7. Test the Boiler: Before completing the strip down boiler service, switch the power back on and check that the boiler is working properly. Test the boiler at full capacity and check that the programming is still functioning correctly by using a tested Gas Analyser.

By following these steps, you can be sure that your Worcester Bosch CDi Classic boiler is running as it should. Regularly servicing and maintaining your boiler not only prolongs its life, but also ensures it’s running at its most efficient.