[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-656489-105":3,"doc-detail-656489-en":81,"detail-sidebar-cat-0-en-105":96},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","nrcb-dhw","NRCB-DHW","","NRCB-DHW is a reference plumbing schematic for a Noritz domestic hot water setup with no space heating, showing key components and connection points across a system piping concept. The diagram labels the cold water supply, air separator, expansion tank, condensate handling and drain, gas supply, and return piping. Installation notes specify compliance with local/state codes, proper electrical and control-panel heating mode activation per the combi boiler manual, correct expansion tank pre-charge, condensate drainage and disposal requirements, and safe condensate pipe slope and vent placement.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/nrcb-dhw/656489/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/nrcb-dhw/656489.png","ImageObject",300,407,{"name":42,"@type":43},"Aria Callaghan","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-25",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",5,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What is the NRCB-DHW drawing intended to show?","Question",{"text":63,"@type":64},"It shows the system piping concept for a Noritz domestic hot water arrangement, with the diagram intended for reference only.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"What installation requirements are emphasized in the notes?",{"text":68,"@type":64},"Installation must comply with state and local codes, and electrical wiring and heating mode activation must follow the combi boiler installation manual.",{"name":70,"@type":61,"acceptedAnswer":71},"How should the expansion tank and condensate drainage be handled?",{"text":72,"@type":64},"Pre-charge the expansion tank to the heating system pressure before connecting, and drain acidic condensate according to local code using corrosion-resistant piping with the specified slope toward the drain or condensate pump.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},656489,1792968860,{"code":4,"msg":82,"data":83},"success",{"doc_id":79,"user_id":84,"nickname":42,"user_avatar":85,"doc_module":4,"category_id":86,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":87,"file_id":88,"file_url":89,"file_type":90,"file_size":91,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":22,"language":92,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":93,"faqs":94,"seo_title":95,"seo_description":12,"update_tm":80,"read_time":30},962084926284,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0",6,"| \u003Cbr>Cold Water Supply\u003Cbr>Air Separator\u003Cbr>Supply \u003Cbr>Expansion Tank (*1)\u003Cbr>Condensate\u003Cbr>Drain (*2)\u003Cbr>Gas Supply\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>Notes:\u003Cbr>--This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes.\u003Cbr>-- Refer to combi boiler installation manual for electrical wiring instructions and activating Heating modes with the control panel.\u003Cbr>-- Install Air Vent at highest point in plumbing system.\u003Cbr>1. Pre-charge expansion tank to heating system pressure before connecting to heating system piping.\u003Cbr>2. This unit produces acidic condensate during operation and must be drained and disposed according to local code. Use pipe material that will not corrode such as PVC or CPVC. Slope horizontal pipe downwards 1/4' per foot towards drain or condensate pump. Do no submerge or block end of drain pipe.\u003Cbr>3. Closed loop, intended to be a temporary pipe configuration, and to endable domestic hot water usage only.\u003Cbr>\u003Cbr>Return\u003Cbr>Return Pipe (*3)\u003Cbr>\u003Cbr>Drain\u003Cbr>\u003Cbr>REVISIONS REV. DESCRIPTION DATE APPRVD. |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| NORITZ\u003Cbr>11160 Grace Avenue Fountain Valley, California 92708 866-7NORITZ (866-766-7489) [www.noritz.com](www.noritz.com) | MODEL:\u003Cbr>NRCB180 / NRCB199 | | Noritz Accessories\u003Cbr>Primary/Secondary Manifold Kit\u003Cbr>( \\# MK-NRCB-1) DHW Isolation Kit w/\u003Cbr>Pressure Relief\u003Cbr>3/4\" (\\# IK-WV-200-1-[Th or SW]) |  | Note: This diagram is for reference only. Installation must comply with State and Local Code, all gas and water pipe must be sized correctly to specific length, according to accepted engineering methods or the  UPC Code for Noritz Water Heaters to operate correctly. |  |  |\n|  | APPLICATION:\u003Cbr>No Heating Domestic Hot Water Only |  |  |  |  |  |  |\n|  |  |  |  |  | | Shut-off Ball Valve Check Valve Union\u003Cbr>Pressure Relief Valve |  Aquastat (Honeywell Model  \\#L6006A or L6006C)\u003Cbr> Pump\u003Cbr> Pressure Regulator\u003Cbr> Backflow Preventer\u003Cbr>|\n|  | DRAWING NUMBER:\u003Cbr>NRCB-DHW |  |  |  |  |  |  |\n|  |  | |  | Residential Neutralizer\u003Cbr>(\\# NC-1) |  |  |  |\n|  | DRAWING DATE:\u003Cbr>December 2018 |  |  |  |  |  |  |","cbCaivGV5Dr3vz0o","https://ap.wps.com/l/cbCaivGV5Dr3vz0o","pdf",109891,"English","# Notes\n## Component and piping labels\n## Installation and code requirements\n## Condensate and expansion tank instructions","[{\"question\":\"What is the NRCB-DHW drawing intended to show?\",\"answer\":\"It shows the system piping concept for a Noritz domestic hot water arrangement, with the diagram intended for reference only.\"},{\"question\":\"What installation requirements are emphasized in the notes?\",\"answer\":\"Installation must comply with state and local codes, and electrical wiring and heating mode activation must follow the combi boiler installation manual.\"},{\"question\":\"How should the expansion tank and condensate drainage be handled?\",\"answer\":\"Pre-charge the expansion tank to the heating system pressure before connecting, and drain acidic condensate according to local code using corrosion-resistant piping with the specified slope toward the drain or condensate pump.\"}]","NRCB-DHW | PDF",{"code":4,"msg":82,"data":97},[98,102,106,110,114,117,122,127,132,135,139],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":99,"show_sort_weight":100,"slug":101},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":103,"show_sort_weight":104,"slug":105},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},"Exam",70,"exam",{"id":55,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},"Comic",60,"comic",{"id":86,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":115,"slug":116},50,"technology",{"id":118,"doc_module":4,"doc_module_name":25,"category_name":119,"show_sort_weight":120,"slug":121},7,"Healthcare",40,"healthcare",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":125,"slug":126},8,"Research & Report",30,"research-report",{"id":128,"doc_module":4,"doc_module_name":25,"category_name":129,"show_sort_weight":130,"slug":131},9,"Religion & Spirituality",20,"religion-spirituality",{"id":130,"doc_module":4,"doc_module_name":25,"category_name":133,"show_sort_weight":130,"slug":134},"World Cup","world-cup",{"id":136,"doc_module":4,"doc_module_name":25,"category_name":137,"show_sort_weight":136,"slug":138},10,"Lifestyle","lifestyle",{"id":140,"doc_module":4,"doc_module_name":25,"category_name":141,"show_sort_weight":55,"slug":142},19,"General","general"]