# How do I Change the Filter in Day & Night Gas Furnaces?
The Day & Night website displays a residential gas and oil furnace product line offering 16 models. Among the popular features of a Day & Night furnace is simple homeowner maintenance, which helps to keep service calls and costs to a minimum. To help the furnace operate effectively, periodic replacement of the air filter is recommended and the procedure is easily completed without any tools.
Things You'll Need
- Replacement furnace filter
Instructions
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1
Open the upper door on the furnace housing to access the air blower chamber of the furnace.
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2
Remove the old filter. On some Day & Night furnace models, the filter frame slides into a channel from the top and is removed by pulling the top of the filter upwards out of the channel. Other models' filters are held in place by two twist levers and are removed by rotating the levers to the side to release the filter.
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3
Insert the new filter into place, making certain the airflow arrows stamped on the filter's frame are pointed toward the air chamber.
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4
Close the air blower chamber door.
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1
Ventilation
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