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The Nortek Global HVAC 661018R is a #21 Natural Gas Main Burner Orifice designed for efficient operation in the MG1E 077 Gas Furnace. This orifice ensures optimal performance by providing consistent gas flow essential for effective fuel combustion.
This natural gas orifice is crucial for maintaining your furnace's performance. Replacing an old or faulty orifice can lead to lower energy costs and fewer repairs.
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