American Wheatley HVAC offers a full line of HVAC Products and Fabrication options certified by the American Society of Mechanical Engineers (ASME), including "U", "UM" and "S" certification. Our qualifying products are constructed in accordance with the latest edition of ASME Section VIII Boiler and Pressure Vessel Code requirements.
American Wheatley is authorized to apply the "NB" - National Board - mark for ASME for fabricated products:
- "S" - Power Boilers
- "U" - Pressure Vessels
- "UM" - Miniature Pressure Vessels
- "R" - Authorized Repair Facility
Many of our products are built in our 40,000 square foot facility in Broken Arrow, Oklahoma.
About American Wheatley HVAC Brand Products
With more than 40 years of experience, American Wheatley HVAC Products and Fabrication have established a reputation for providing dependable Hydronic Specialty items to the HVAC industry. We offer a complete line of HVAC Tanks, Air and Dirt Separators, Triple Duty Valves, Strainers, and more! Our team is committed to offering quality products to help you meet your customers' needs and grow your business.
HVAC Check Valves
American Wheatley HVAC Check Valves are engineered for silent operation and even little head loss. The Wafer Style Non-Slam Check Valve will automatically prevent your system from experiencing a back-flow, when your system is desired to flow in one direction only and keep the flow from moving in the opposite direction. The disc in this…
Thermal Expansion Tanks Explained
Is a Thermal Expansion Tank required for water heaters? Also possibly known as a Water Heater Expansion Tank, a Thermal Expansion Tank is an essential unit to pair with a water heater in a closed-loop system. These tanks are required for closed HVAC systems. When water is heated, it causes molecular agitation – basically, the…
Finding the Best Air Separator for your HVAC System
Having an air separator in your HVAC system greatly affects the system’s overall performance, especially in a chilled-water system. While air elimination is important in any ventilation setting, it is more important in the chilled-water system than in a hot-water system because the cold-water unit can hold more air inside the tank. Air separation is…