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The pressure switch is utilized in the ignition procedure to determine if there is sufficient air flow through the burner. This is a fairly com heater repair that needs to be made on eve the newer furnaces. When the draft inducer fan motor reaches its maximum speed it develops a vacuum or pressure in the burner section of the furnace and the pressure switch closes and the control board continues with its timed ignition procedure. The pressure switch can prevent the ignition process from continuing if there is an air flow issue with the inducer fan motor or blade. If the device is found in a tight space with no ventilation the available air may not be adequate and the pressure switch will not close correctly.

This troubleshooting video reveals detailed directions on replacing the pressure switch or vacuum control switch on common home heaters.

If you feel like you are in over your head you can contact a heating repair company in your area and still save money because you will know exactly what you are paying for.

The pressure switch is utilized in the ignition procedure to determine if there is sufficient air flow through the burner. When the draft inducer fan motor reaches its maximum speed it develops a vacuum or pressure in the burner section of the furnace and the pressure switch closes and the control board continues with its timed ignition procedure. The pressure switch can prevent the ignition process from continuing if there is an air flow issue with the inducer fan motor or blade. If the device is found in a tight space with no ventilation the available air may not be adequate and the pressure switch will not close correctly.

Finding recommended replacement parts and discovering the best ways to successfully fix your appliances, cooling and heating equipment can be complex to sat the least.

It is recommend that you make use of a searches online to find a trusted online AC and heating repair company websites if you’re incapable to discover the info you need on our internet site.