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Content DescriptionThe 2021 edition of the Uniform Mechanical Code (UMC®) represents the most current approaches in the mechanical field. It is the seventh edition developed under the ANSI Consensus process is designated as an American National Standards by the American National Standards Institute (ANSI). Furthermore, it addresses specific provisions for low flammability refrigerants such as A2L and B2L; which makes it one of the first codes in the industry to address specific provisions for these low Global Warming Potential (GWP) refrigerants. Contributions to the content of this code were made by every segment of the built industry, including such diverse interests as consumers, enforcing authorities, installers/maintainers, labor, manufacturers, research/standards/ testing laboratories, special experts and users. The UMC provides complete requirements for the installation and maintenance of heating, ventilating, cooling and refrigeration systems, while at the same time allowing latitude for innovations and new technologies. Key changes to the 2021 UMC include: New Appendix F – Geothermal Energy Systems New guards and rails requirements for installation of equipment and appliances on roofs New ventilation requirements for transient and nontransient occupancies New ventilation requirements for indoor air quality for residential occupancies Revisions to the requirements for air ducts, including factory-made air ducts and dampers New provisions for factory-built grease ducts New provisions for refrigeration systems, including pressure-limiting devices and hydrostatic expansion Revisions to the sizing requirements for natural gas and propane piping systems Modifications to the pressure rating requirements for hydronic piping applications New requirements for fuel gas piping appliance shutoff valves, test pressure, and overpressure protection devices New tube fastener provisions for radiant heating and cooling New requirements for residential compressed natural gas (CNG) fueling systems New fire-extinguishing equipment and carbon monoxide detection requirements for exhaust systemsThe following editions for this book are also available...
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About IAPMOThe International Association of Plumbing & Mechanical Officialsis (IAPMO)the only Plumbing & Mechanical Code writing organization that is recognized worldwide for codes that are developed by the industry for the industry. IAPMO is a non-profit membership based organization that specializes in developing codes that govern the Plumbing and Mechanical Industry since 1926. The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for more than eighty five years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world. As a membership-based association, IAPMO is proud to utilize an open consensus process in the development of our flagship Uniform Plumbing Code® and Uniform Mechanical Code®. These codes are established through scientific research, debate, and analysis, strengthening our position at the forefront of the plumbing and mechanical industries. The IAPMO Group is a complete service organization, providing code development assistance, industry-leading education, plumbing and mechanical product testing and certification, building product evaluation and a manufacturer-preferred quality assurance program. Each component of the IAPMO Group works toward playing an integral part in protecting the health of people everywhere. |
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