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  • IAPMO
    Uniform Solar, Hydronics and Geothermal Code
    Edition: 2021
    $77.70
    / user per year

Content Description

The Uniform Solar, Hydronics and Geothermal code is a model code developed by IAPMO to govern the installation and inspection of solar hydronic, and geothermal energy systems as a means of promoting the public\'s health, safety and welfare. Published previously as the Uniform Solar Energy Code, the 2021 edition adds significant provisions concerning hydronic and geothermal systems. USHGC was developed using the American National Standards Institute (ANSI)-accredited open consensus process. Key provisions of the 2021 USHGC and changes 2018 edition include: New requirements for additives and chemicals installed in hydronic systems New requirements for terminal units installed with hydronic systems New maximum allowable oxygen permeation rate for PEX and PE-RT tubing in hydronic systems Additional material standards for hydronic and solar thermal system piping, tubing and fittings New requirements for both water source and air source heat pumps New solar thermal system piping and tubing insulation requirements Additional expansion tank requirements inluding methods for calculating maximum volume of forced and diaphragm type tanks New requirements for design and installation of geothermal energy systems including open-loop, closed-loop and direct-exchange (DX) systems New applicable material standards for geothermal plastic ground source loop piping and fittings New requirements for pressure relief and shutoff valves installed in geothermal energy systems New requirements for geothermal system installation requirements such as trenching, markings, setbacks, testing, just to name a few, New listings requirements for solar PV equipment Updates solar photovoltaic (PV) provisions to correlate with the last NFPA 70-2020 New Appendix D - (IAPMO IS 34) Installation Stndard for Residential Solar Photovoltaic and Energy Storage Systems

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