Vaillant Boiler Fan 0020135138

Product Overview

The Vaillant Boiler Fan 0020135138 is a critical component designed for specific Vaillant heating systems. This Flue Fan Assembly is a safety-critical component responsible for expelling combustion fumes and creating the necessary pressure for ignition. properly functioning components are vital for the energy efficiency and safety of your boiler.

Technical Insight & Common Failure Symptoms

Based on service data: Unlike other posts on this subject whereby the fault was with the air flue switch, the problem here is that the flue fan does not start. (room sealed fan assisted) flue. The boilers use a standard flue system flue pipes in the Vaillant installation manual for flue pipes. The CE mark

Replacing this part often resolves the following issues:

• Restores reliable system operation and eliminates fault codes.
• Resolves specific failure symptoms such as loud grinding noises (bearing failure), air pressure faults preventing ignition, or the fan running continuously without firing..
• Ensures safety compliance and efficient boiler performance.

Compatibility

This part (MPN: 0020135138) is designed for models within the Vaillant range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.

Safety Advice: Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.