Parts 605.99504 air pressure switch

Brand: Parts
Model Number: 605.99504

Product Information:
The air pressure switch acts as a safety instrument which checks the fan is in full working order. It ensures that, if the fan fails within the boiler, there would not be a build up of toxic fumes with no means of venting them. The PCB closely monitors the air pressure switch to make sure it is fully operational before the unit is fired up, preventing the appliance from starting without one of its key safety mechanisms.

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