Vokera Differential Pressure Switch 106252

The differential pressure switch is a Vokera component used on Condexa PRO appliances. It monitors the pressure difference across the fan and flue system and signals the boiler's control board when the required airflow is present. This allows the boiler to prove safe combustion conditions before ignition and during operation.

• The boiler fails to fire and locks out despite the fan running.
• Repeated lockouts or fault codes relating to air pressure or flue pressure.
• The boiler starts and then shuts down shortly after ignition.
• Intermittent operation, with the appliance running correctly on some attempts and not others.
• Visible damage, contamination or blocked pressure sensing ports on the switch or its tubing.

• Confirm the appliance model and check it against the fitment list above.
• Locate the existing switch and compare the part number marked on it with 106252.
• Inspect the pressure sensing tubes and ports for blockages or splits before assuming the switch has failed.
• Check that the electrical connections and wiring to the switch are secure and undamaged.