{"product_id":"nfpa-54-ansi-z223-1-national-fuel-gas-code-2021","title":"NFPA 54\/ANSI Z223.1, National Fuel Gas Code 2021","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:a4c32e15-d9fc-4f1d-b0ed-f2fbe3265ddc-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c1f25a5b-7a7d-42ba-a7e4-b60921c84faf\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"48\" data-end=\"204\"\u003eHelp improve safety and maintain compliance when designing, installing, and maintaining fuel gas systems with NFPA 54\/ANSI Z223.1, \u003cem data-start=\"179\" data-end=\"203\"\u003eNational Fuel Gas Code\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp data-start=\"206\" data-end=\"587\"\u003eNFPA 54 is an essential resource for industries including construction, fuel distribution, manufacturing, building operations, food service, health care, and alternative energy. The code provides comprehensive requirements to help support safe fuel gas system installation, operation, maintenance, inspection, and testing across residential, commercial, and industrial occupancies.\u003c\/p\u003e\n\u003cp data-start=\"589\" data-end=\"898\"\u003eFrom the risks of carbon monoxide poisoning to potential fire and explosion hazards, NFPA 54 helps professionals mitigate dangers associated with gaseous fuels by establishing requirements for gas piping systems, appliances, venting systems, inspection, leak checks, purging procedures, and combustion safety.\u003c\/p\u003e\n\u003ch3 data-section-id=\"azi8dd\" data-start=\"900\" data-end=\"921\"\u003eWho Uses NFPA 54?\u003c\/h3\u003e\n\u003cp data-start=\"923\" data-end=\"1028\"\u003eNFPA 54 is relied upon by professionals responsible for fuel gas system safety and compliance, including:\u003c\/p\u003e\n\u003cul data-start=\"1030\" data-end=\"1207\"\u003e\n\u003cli data-section-id=\"7d099e\" data-start=\"1030\" data-end=\"1041\"\u003eEngineers\u003c\/li\u003e\n\u003cli data-section-id=\"cqb5kv\" data-start=\"1042\" data-end=\"1060\"\u003eHVAC technicians\u003c\/li\u003e\n\u003cli data-section-id=\"76uhpp\" data-start=\"1061\" data-end=\"1080\"\u003eFacility managers\u003c\/li\u003e\n\u003cli data-section-id=\"1eycrme\" data-start=\"1081\" data-end=\"1106\"\u003eMaintenance supervisors\u003c\/li\u003e\n\u003cli data-section-id=\"7wo640\" data-start=\"1107\" data-end=\"1130\"\u003eUtility professionals\u003c\/li\u003e\n\u003cli data-section-id=\"320gjv\" data-start=\"1131\" data-end=\"1146\"\u003eFire marshals\u003c\/li\u003e\n\u003cli data-section-id=\"1wiqkju\" data-start=\"1147\" data-end=\"1207\"\u003eCode inspectors and authorities having jurisdiction (AHJs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1209\" data-end=\"1349\"\u003eThese users depend on NFPA 54 to help maintain safe and code-compliant fuel gas systems across a wide range of applications and occupancies.\u003c\/p\u003e\n\u003ch3 data-section-id=\"sghyn\" data-start=\"1351\" data-end=\"1373\"\u003eKey Topics Covered\u003c\/h3\u003e\n\u003cp data-start=\"1375\" data-end=\"1414\"\u003eNFPA 54 provides requirements covering:\u003c\/p\u003e\n\u003cul data-start=\"1416\" data-end=\"1754\"\u003e\n\u003cli data-section-id=\"1fcqrw9\" data-start=\"1416\" data-end=\"1465\"\u003ePiping system design, materials, and components\u003c\/li\u003e\n\u003cli data-section-id=\"fll5or\" data-start=\"1466\" data-end=\"1547\"\u003ePipe sizing and installation for underground, aboveground, and concealed spaces\u003c\/li\u003e\n\u003cli data-section-id=\"cekcl2\" data-start=\"1548\" data-end=\"1613\"\u003ePiping inspection, testing, leak checks, and purging procedures\u003c\/li\u003e\n\u003cli data-section-id=\"8mw11r\" data-start=\"1614\" data-end=\"1667\"\u003eProcess air and appliance installation requirements\u003c\/li\u003e\n\u003cli data-section-id=\"sf5vo2\" data-start=\"1668\" data-end=\"1754\"\u003eMinimum safe performance criteria and specifications for venting combustion products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xtvnl1\" data-start=\"1756\" data-end=\"1770\"\u003eHighlights\u003c\/h3\u003e\n\u003cp data-start=\"1772\" data-end=\"1923\"\u003eThe 2021 edition of NFPA 54 features significant changes and additions reflecting current equipment, practices, materials, and technologies, including:\u003c\/p\u003e\n\u003cul data-start=\"1925\" data-end=\"2676\"\u003e\n\u003cli data-section-id=\"1ts6yn1\" data-start=\"1925\" data-end=\"2042\"\u003eUpdated minimum safe performance criteria, general requirements, and specifications for venting combustion products\u003c\/li\u003e\n\u003cli data-section-id=\"1gkyqei\" data-start=\"2043\" data-end=\"2174\"\u003eRevisions in Chapter 10 requiring appliances to be listed and compliant with the appropriate ANSI\/CSA appliance listing standards\u003c\/li\u003e\n\u003cli data-section-id=\"1ym5lbm\" data-start=\"2175\" data-end=\"2352\"\u003eAddition of a new table in Chapter 12 covering through-the-wall vent terminal clearances, along with an annex figure coordinating code requirements with ANSI product standards\u003c\/li\u003e\n\u003cli data-section-id=\"1kb71i2\" data-start=\"2353\" data-end=\"2513\"\u003eNew definition of \u003cem data-start=\"2373\" data-end=\"2394\"\u003eengineering methods\u003c\/em\u003e in Chapter 4 to provide guidance to authorities having jurisdiction (AHJs) regarding acceptable engineering approaches\u003c\/li\u003e\n\u003cli data-section-id=\"1dteivo\" data-start=\"2514\" data-end=\"2676\"\u003eRevised and reorganized electrical isolation requirements for gas piping installations, clarifying dielectric union placement and system protection requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy customers choose us over buying directly from publishers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe provide faster and more reliable service compared to ordering directly from publisher.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSame-day shipping available on eligible orders\u003c\/li\u003e\n\u003cli\u003eTrue overnight shipping options available\u003c\/li\u003e\n\u003cli\u003eFaster order processing and delivery support\u003c\/li\u003e\n\u003cli\u003eProfessional customer assistance for code and standards orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile publisher orders may typically require 7–10 business days for delivery, we help professionals get critical fire protection standards faster when timing matters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"NFPA","offers":[{"title":"New Book \/ No Practice Exam \/ No Pre-Printed Tabs","offer_id":52426852761912,"sku":null,"price":164.99,"currency_code":"USD","in_stock":true},{"title":"New Book \/ No Practice Exam \/ Add 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