Air to Water Heat Exchanger 12x12 1" Copper Ports

AB Air to Water Heat Exchangers also called Water to Air Heat Exchangers. It's designed with high-quality aluminum fins and seamless copper tubes. It is fitted with 12 aluminum fins per inches and the unique design allows for heating loads of 50,000 to 60,000 Btu per square foot. Despite a fin density of 12 fins per inch, there is low flow resistance. It's widely application in Residential and Commercial Heating and Cooling, Apartment and Condominiums Heating and Cooling, Forced Air Heating Hybrid Systems, Air Conditioning,  Dehumidification Inverter Cooling.

  • This particular model has 1" ports and a capacity of 60,000 Btu.
  • 1-year warranty against manufacturer's defects and is ETL listed.
  • Our models ideal for both residential and commercial applications can be used with sources of hot water to create hot air, such as indoor boilers, outdoor wood boilers, natural gas boilers, propane boilers, oil boilers, electric boilers and other hot water heaters or furnace heat exchangers.

Product Information

HTL12x12 Fitting Size
1" copper sweat
Design Pressure
60,000 Btu Rating
175psi @ 350F

Test Pressure

3 rows of 3/8", copper

12 per inch, aluminum Materials
Steel, Copper, Aluminum
Min. Operating

Max. Operating

Finned Area12" x 12" x 3.5"

*Capacity is based on 180F boiler output

Water to Air Heat Exchanger Size Choosing Guide.pdf

FAQ and Support
Tips for mounting Air to Water Heat Exchanger:
If your air system has an overheat sensor, be sure to install the Air to Water Heat Exchanger far enough away from it so that the heat from the exchanger won't interfere with the sensor's readings.
We have worked with heating systems for over 10 years and are happy to help you with any questions or concerns that you may have. You can email us at or call us at 833-328-6888 for help with your heating projects.