15×21 Water to Air Heat Exchanger 1 Copper ports with EZ Install Front Flange
15×21 /126,000 BTUs / 100 PSI For use in your hot air furnace plenum. Please see charts in pics above. Not recommended for air compressors. This listing does not include the install kit. Information about our heat exchangers. This heat exchanger is ideal for a 15″x 22″ plenum or larger….