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Coleman DGAA077BDTA Furnace Door Switch
This switch blocks the vent fan and ignition sequence from activating so as to avoid injuries. It is vital that this part be substituted for a new part as quick as you can if it is causing you problems.
Cues of a defective furnace door switch
- The furnace cannot run whether the door is off or on
- The furnace door switch appears to be broken
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Before buying or ordering do your best and make sure of the model number as well as make a visual inspection in order to be sure the correct furnace door switch is the one being purchased. HVAC pros can be expensive so you could call around to acquire the best rate if money is of great importance to you.
Feel free to download your manual for help.
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