New Mexico MM-2 Natural Gas Fitting License

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 systems

Modern Refrigeration and Air Conditioning, 22nd Edition is focused on closing the gap from students to technicians with our commitment to top-quality coverage of fundamentals and the latest technology. This classic is an excellent blend of theory, skill development, and service techniques to help you learn how to install and service refrigeration and HVAC systems.

IPT’s Pipe Trades Handbook and Training Manual combine all the essentials of other reference books, plus so much more. Topics include pipe and tube data, valves, fittings, flanges and gaskets, offsets and calculations—the answers to all your questions. You’ll especially appreciate the pipe layout, piping prints, oxy-acetylene set-up, pipe welding and pipe rigging sections, which are easy to understand, yet extremely detailed

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 UPC is designed to provide consumers with safe and sanitary plumbing systems while, at the same time, allowing latitude for innovation and new technologies. Key changes to the 2021 UPC include:

• New Appendix N – Impact of Water Temperature on the Potential for Scalding and Legionella Growth
• New provisions for backflow prevention devices, assemblies, and methods
• New provision of temperature limiting devices
• New guard and rail requirements for appliances on roofs and platforms
• New requirements for the discharge of temperature and pressure relief valve piping
• New provision on leak detection devices
• Provisions for potable water pumps
• New standards for drain, waste, and vent pipe and fittings
• New provisions for drain waste and vent cleanouts
• Circuit vent provisions have been updated and expanded
• Updated to fuel gas provisions
• Updated medical gas provisions including reordering of categories for ease of use