Potterton 642228 Air Pressure Switch

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Sale price£106.56 Regular price£117.22


The air pressure switch is a safety device which checks the fan is fully operational. It ensures that, if the fan malfunctions within the boiler, there would not be a build up of toxic gasses with no means of venting them. The printed circuit board monit

  • Fits a number of Potterton Appliances

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