12x21 Water to Air Heat Exchanger 1" Copper Ports With Install Kit

  12x21 / 100,800 BTUs / 100 PSI  For use in your hot air furnace plenum. Other sizes available. Other sizes available. Dimensions Refer to pictures A: 22"  B: 12"  C: 2.5"  D: 21" E:  3.5" ***Not recommended for air compressors***  This listing includes the install kit. Information about our heat exchangers   This heat exchanger is ideal for a 12"x22" plenum or larger. The outlets come out on the 12" side (shown as the vertical side in the picture above) The fin area is 12"x21" GPM 10.5 CFM 1229  Outside Dimensions 12”(width)x24.5”(Length from Manifold to Base)x3.5”(Thickness)  There is a 1" frame on the end opposite the outlets that covers the copper elbows. This makes the area inside of your plenum 1" longer. All exchangers are 3 1/2" thick. Aluminum fins are installed at 12 fines per inch. All exchangers are triple pass design. Tubing is 1/4" copper. All our exchangers include the flat front face mounting for easier installation and increased plenum str