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California law requires new or replacement heaters to be anchored or strapped to resist falling or horizontal displacement, and requires written certification of compliance. The document describes code-compliant bracing systems using plumbers tape or EMT conduit, specifies strap quantity for different tank capacities, and notes key limitations, placement considerations, and recommended flexible connectors.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/guidelines-for-earthquake-bracing-of-residential-water-heaters/364083/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/guidelines-for-earthquake-bracing-of-residential-water-heaters/364083.png","ImageObject",300,407,{"name":92,"@type":93},"\tJames","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-09-23",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Why is earthquake bracing required for residential water heaters?","Question",{"text":112,"@type":113},"Earthquakes can move or tip unanchored water heaters, which may cause gas line or water line leaks and electrical wiring damage. These conditions create health and fire hazards and can lead to significant property loss.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What does California law require for water heater bracing?",{"text":117,"@type":113},"New or replacement water heaters sold in California on or after July 1, 1991 must be braced, anchored, or strapped when installed to resist falling or horizontal displacement due to earthquake forces. Sellers must also certify in writing that bracing requirements are met.",{"name":119,"@type":110,"acceptedAnswer":120},"What bracing methods are described in the guidelines?",{"text":121,"@type":113},"The publication specifies two methods: plumbers tape (3/4-inch perforated 24-gauge steel strapping) and EMT conduit bracing that uses 1/2-inch EMT conduit together with 3/4-inch perforated 24-gauge plumber’s tape.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},364083,1790539729,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":41},2336474466412,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Guidelines for Earthquake Bracing of Residential Water Heaters  \nDepartment of General Services Division of the State Architect  \n1102 “Q” Street, Suite 5100  \nSacramento, CA 95814  \nPhone: (916) 324-7099  \nFax: (916) 327-3371  \nEmail: [terence.fong@dgs.ca.gov](terence.fong@dgs.ca.gov)  \nRevised Aug. 11, 2004  \nIntroduction  \nDuring past earthquakes, water heaters have moved or tipped over if they were not securely anchored to adjacent walls or floors. This movement has resulted in gas line or water line leaks, and electrical wiring damage. Gas line leaks and damaged electrical wiring pose health and fire hazards, and water line leaks can cause significant and costly property damage.  \nCalifornia law (Health & Safety Code Sections 19210-19217) requires:  \n• Any new or replacement water heater sold in California on or after July 1, 1991 be braced, anchored or strapped when installed to resist falling or horizontal displacement due to earthquake forces.  \n• The seller of any real property containing a water heater to certify in writing to the purchaser that water heater bracing requirements have been met.  \nThe Division of the State Architect (DSA) has prepared these guidelines, which illustrate several earthquake bracing systems for typical (30 to 75 gallon capacity) residential water heater installations. These guidelines meet the bracing requirements of California’s building and plumbing codes, which require that a minimum of two sets of bracing straps be provided to secure the water heater against movement.  \nThese guidelines were developed for water heaters with a capacity of 52 gallons or less, and may also be utilized for water heaters with a capacity of up to 75 gallons, provided an additional (third) set of bracing straps is provided at mid-height of the water heater. Earthquake bracing details for water heaters with a capacity greater than 75 gallons should be approved by the local building department prior to installation.  \nLimitations:  \nThese guidelines do not address water heater installations in an attic or other unusual locations (such as a water heater not located adjacent to a wall) . For those cases, the local building department must be consulted to determine requirements for earthquake bracing.  \nThese guidelines address only code requirements for earthquake bracing, and do not address other plumbing code requirements (such as protection from damage, venting, clearances from combustible materials, and combustion air) . Clearances of water heaters from adjacent walls must meet minimum requirements specified by the manufacturer and the local building department.  \nNote:  \nDSA strongly recommends that code-compliant flexible connectors be provided between the water heater and any water, gas, and electrical lines.  \nWater Heater Bracing  \nDivision of the State Architect  \nPage 2 of 12 rev. 01-31-02  \nMethods for Earthquake Bracing  \nof Water Heaters for Residential Use  \nThese guidelines specify two methods for bracing water heaters. One method utilizes plumbers tape (perforated metal strapping), while the other method utilizes round thin wall metal conduit (commonly known as EMT) .  \nAs an alternative to the bracing methods specified within this publication, several manufactured systems are available (typically at local hardware or home improvement stores) . Refer to the list of manufacturers on page 13 of this publication.  \nPlumber’s Tape Bracing: This method utilizes 3/4” perforated 24 gauge steel strapping (plumber’s tape) to brace the water heater at an adjacent wall.  \n• See illustration on page 4 to brace a water heater located adjacent to a room corner.  \n• See illustration on page 6 to brace a water heater located adjacent to a straight wall.  \nEMT Conduit Bracing: This method utilizes 1/2” diameter EMT conduit, in conjunction with 3/4”perforated 24 gauge steel plumber’s tape, to brace the water heater to an adjacent wall.  \n• See illustration on page 8 to brace a water heater located adjacent to a ro","cbCaillyjfLgMLy1","https://ap.wps.com/l/cbCaillyjfLgMLy1","pdf",429244,12,"English","# Introduction\n## Limitations\n## Water Heater Bracing\n## Methods for Earthquake Bracing of Water Heaters for Residential Use\n## Helpful Hints\n## Insulation Blankets\n## Water Heaters on a Raised Platform\n## Water Heater Bracing Attachment to a Concrete or Concrete Masonry Wall","[{\"question\":\"Why is earthquake bracing required for residential water heaters?\",\"answer\":\"Earthquakes can move or tip unanchored water heaters, which may cause gas line or water line leaks and electrical wiring damage. These conditions create health and fire hazards and can lead to significant property loss.\"},{\"question\":\"What does California law require for water heater bracing?\",\"answer\":\"New or replacement water heaters sold in California on or after July 1, 1991 must be braced, anchored, or strapped when installed to resist falling or horizontal displacement due to earthquake forces. Sellers must also certify in writing that bracing requirements are met.\"},{\"question\":\"What bracing methods are described in the guidelines?\",\"answer\":\"The publication specifies two methods: plumbers tape (3/4-inch perforated 24-gauge steel strapping) and EMT conduit bracing that uses 1/2-inch EMT conduit together with 3/4-inch perforated 24-gauge plumber’s tape.\"}]","Guidelines for Earthquake Bracing of Residential Water Heaters | PDF",1790155553]