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Lennox XP19-042 Furnace Door Switch
The job of the furnace door switch blocks the draft inducer and other risky devices being triggered to start so as to stop a potential explosion. You should have the switch be changed ASAP especially if you think it is defective.
General indicators that your the switch on your furnace door will die soon
- The HVAC system will not begin whether the door is open or closed
- The switch looks like it is broken completely
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Before you decide on buying or ordering a replacement furnace door switch for your Lennox XP19-042, do your due diligence and double check the model number as well as make a visual comparison in order to be sure the right furnace door switch is the one being purchased. Replacing a new furnace door switch is a piece of cake if you know what you are doing and have the tools to get it done.
Feel free to download your manual for help.
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