Patent ID: 7552756

Claim:
A heat exchanger comprising: a fin and tube core including first, second, third, and fourth core sections and a plurality of tubes; a pair of primary headers connected to opposite tube ends of the core; and an opening passing through the core, the opening bounded on a first side by a first header/tank assembly connected to an end of the first core section opposite from one of the primary headers, on a second side opposite from the first side by a second header/tank assembly connected to an end of the second section opposite from the other of the primary headers, on a third side extending between the first and second sides by a strip separate from said tubes of said fin and tube core located adjacent a first tube of the third core section; and on a fourth side opposite from the third side by a strip separate from said tubes of said fin and tube core located adjacent a first tube of the fourth core section, the strips extending from one of the primary headers to the other primary header, the first and second core sections being located between the strips.