The Baxi pressure switch is designed for use in boilers such as the Performa, Main Combi or Combi HE, Main HE, Combi and System IE. An air pressure switch is a critical safety device that ensures the boiler fan is operating properly and prevents the accumulation of toxic gases in the event of a fan failure. The printed circuit board of the unit closely monitors the air pressure switch to ensure it is fully functional before powering on the system. This prevents the appliance from starting withou

Brand Name	Baxi