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Don’t hesitate to contact the team at American Wheatley with any questions you may have about our wide variety of HVAC products and fabrication constructed in accordance with the latest ASME standards. If you are not sure what you need, we will be happy to discuss your project and identify the right HVAC solution, from our chilled water buffer tanks and triple duty valves to air separators and heat exchangers.

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American Wheatley

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American Society of Mechanical Engineers (ASME)


To ensure the highest standards of quality American Wheatley HVAC Products / American HVAC Products have ASME “U”, “UM”, and “S” Certificates of Authorization, as well as the National Board Certifications Of Authorization (R Stamp). The “U”, “UM”, and “S” stamp certification focuses on the manufacturing of high-pressure components, allowing American Wheatley HVAC to certify that it has followed a stringent and traceable history of all components and manufacturing processes. The “R” stamp National Board Certificate of Authorization covers our manufacturing facility in accordance with National Board Inspection Code 23, which encompasses the rules and guidelines for inspection, repair, and alterations of pressure vessels.

These ASME certifications allow our company to effectively meet our customers’ stringent quality requirements and authorize us to manufacture and stamp a broad range of pressure vessels and products in accordance with the latest ASME Section VIII Boiler and Pressure Vessel Code. The addition of the new American HVAC state-of-the-art vessel manufacturing facility in Broken Arrow, OK, further demonstrates our commitment to supply the hydronic HVAC industry with competitive and essential components required by our industry partners.

We look forward to a new period of growth while effectively serving our customers in the hydronic HVAC market. American Wheatley HVAC is committed to continuous improvement ensuring that our customers’ requirements are met and backed up by a level of service necessary to operate in today’s global marketplace.