{"title":"Conbraco Double Check Assemblies","description":"\u003cdiv class=\"category_desc\"\u003e\u003cspan style=\"color: #444444; font-family: 'Open Sans', sans-serif;\"\u003e\u003cspan style=\"font-family: 'Open Sans', sans-serif; background-color: initial;\"\u003e\u003cb class=\"txt-blue-bold\"\u003eTop Entry Double Check Valve Assembly, Bronze Body, Modular Cartridge Checks with replaceable seats \u0026amp; Reversible Silicone Seat Discs, ½” to 2” with ball valve shutoffs with SS handles + trim.\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\r\n\u003c!-- split --\u003e\u003cspan style=\"background-color: initial;\"\u003eThe Apollo® Model DC4A D\u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003eouble Check Valves A Series prevent contamination of \u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003ethe potable water supply due to back-siphonage or backpressure from substances that are objectionable \u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003eto the potable water supply, but non-health hazards. The top accessed modular check valve cartridges \u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003e\u003cspan style=\"background-color: initial;\"\u003eprovide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features ball valve shutoffs with stainless steel handles and nuts as standard and carries the five-year Apollo® factory warranty\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\r\n\u003cdiv\u003e\u003cb class=\"txt-blue-bold\"\u003eFEATURES\u003c\/b\u003e\u003c\/div\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cspan style=\"background-color: initial;\"\u003e Low pressure loss documented by \u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003eindependent approval agencies\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan style=\"background-color: initial;\"\u003eEasily removable modular check valve \u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003ecartridge\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eCaptured stainless steel springs\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan style=\"background-color: initial;\"\u003eBall valve shutoffs w\/ SS handles \u0026amp; nuts \u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003estandard\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eTop-mounted test cocks for easy testing\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eNo special tools required\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eChloramine-resistant elastomers\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan style=\"background-color: initial;\"\u003eVertical up and Horizontal installations\u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cspan style=\"background-color: initial;\"\u003e\u003cspan style=\"background-color: initial;\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cb class=\"txt-blue-bold\"\u003e\u003cspan style=\"background-color: initial;\"\u003e\u003c\/span\u003e\u003cspan style=\"background-color: initial;\"\u003ePERFORMANCE RATING \u003c\/span\u003e\u003c\/b\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eMaximum Working Pressure: 175 psi\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eTemperature Range: 33 ° F – 180 ° F\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cdiv\u003e\u003c\/div\u003e\r\n\u003cdiv\u003e\u003cb class=\"txt-blue-bold\"\u003eAPPROVALS \u003c\/b\u003e\u003c\/div\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eASSE 1015\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eCSA B.64.5\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eIAPMO\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eApproved by the Foundation for CrossConnection\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eControl and Hydraulic\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eResearch at the University of Southern\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"background-color: initial;\"\u003eCalifornia\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e","products":[{"product_id":"4a105a2f-1in-doublecheck-backflow-prevention-valve","title":"Conbraco 4A105A2F — 1-inch Double Check Backflow Valve","description":"\u003cp\u003eThe Apollo® Model DC4A series Conbraco 4A105A2F 1-inch double check backflow prevention valve protects potable water from contamination caused by back-siphonage or backpressure. Durable bronze construction and serviceable top-access cartridges make this a contractor-ready choice for residential and commercial systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBronze body:\u003c\/strong\u003e ASTM B584-C84400 bronze for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Rated to 175 psi and suitable from 33°F to 180°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable design:\u003c\/strong\u003e Top-access modular cartridges with captured springs, replaceable seats, and reversible silicone seat discs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation \u0026amp; testing:\u003c\/strong\u003e Ball valve shut-offs with stainless steel handles and nuts, SAE threaded testcock protectors for easy testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e NSF\/ANSI 61 and NSF\/ANSI 372 shown on product documentation where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Chloramine-resistant elastomers and a Made in USA assembly backed by a five-year Apollo factory warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConnections are standard 1-inch female (FPT\/NPT). See the included IOM and submittal sheet for detailed dimensions, installation instructions, and test requirements. Designed for horizontal and vertical-up installation; compatible with standard potable water systems.\u003c\/p\u003e","brand":"Conbraco Industries","offers":[{"title":"Default Title","offer_id":43672173449,"sku":"4A105A2F","price":332.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/4A105A2F-2_4b4f8c12-d016-49e4-9df1-10d17a9ee8b5.jpg?v=1503296123"},{"product_id":"conbraco-1-1-4-double-check","title":"Conbraco DC4A 1-1\/4\" Double Check Backflow Preventer","description":"\u003cp\u003eThe Conbraco DC4A 1-1\/4\" Double Check Valve Assembly delivers reliable backflow protection for non-health-hazard applications where prevention of contamination from back-siphonage or backpressure is required. Designed for contractors and municipal systems, this compact assembly pairs low pressure loss with service-friendly construction to reduce maintenance time on job sites.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize \u0026amp; connections:\u003c\/strong\u003e 1-1\/4\" nominal size with female threaded connections (FPT) for common installation compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Bronze body with corrosion-resistant trim and chloramine-resistant elastomers for long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-access modular design:\u003c\/strong\u003e Captured-spring cartridge check valves and reversible silicone seat discs allow fast field testing and simple repairs without special tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall valve shutoffs:\u003c\/strong\u003e Standard ball valve isolation with stainless-steel (SS) handles and nuts simplifies isolation during maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance ratings:\u003c\/strong\u003e Maximum working pressure up to 175 psi and recommended temperature range 33°F to 180°F for typical commercial and irrigation applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications \u0026amp; warranty:\u003c\/strong\u003e Designed to meet industry standards such as ASSE 1015 and AWWA C510; carries Apollo’s 5-year factory warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSpecifically engineered for easy installation and dependable protection, the DC4A\/DCLF4A platform (lead-free DCLF4A variant also available) is suitable for horizontal or vertical orientation and for use where double-check protection is permitted by code. Refer to the included installation and submittal documents for detailed dimensions, testing procedures, and parts information.\u003c\/p\u003e","brand":"Conbraco Industries","offers":[{"title":"Default Title","offer_id":43672173513,"sku":"4A106A2","price":480.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/4A106A2-2_dd5fbf82-b644-4608-99b6-ddbe3f020020.jpg?v=1503296124"},{"product_id":"conbraco-1-1-2-double-check","title":"Conbraco 4A-107-T2 1-1\/2\" Bronze Double Check Assembly","description":"\u003cp\u003eThe Apollo®\/Conbraco Model 4A-107-T2 1-1\/2\" Double Check assembly is a commercial-grade backflow preventer engineered for reliable potable water protection. Built from lead-free bronze with top-access modular check cartridges, this assembly balances durability with serviceability for irrigation and commercial plumbing applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 1-1\/2\" nominal; connection: threaded FNPT suitable for standard plumbing fittings.\u003c\/li\u003e\n\u003cli\u003eDurable lead-free bronze body with corrosion-resistant components and stainless-steel ball-valve shutoffs.\u003c\/li\u003e\n\u003cli\u003eTop-access cartridges with captured springs, replaceable and reversible silicone seat discs for fast servicing.\u003c\/li\u003e\n\u003cli\u003eLow head loss design and independently acting checks reduce pressure drop across the assembly.\u003c\/li\u003e\n\u003cli\u003eFactory-tested and made in the USA; carries a 5-year Apollo factory warranty and meets common industry standards for double-check devices.\u003c\/li\u003e\n\u003cli\u003eIncludes testcocks, threaded protectors, and is suited for vertical or horizontal installation when code allows.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eContractors should follow local codes and the product Installation, Operation \u0026amp; Maintenance manual for testing and maintenance intervals. Product documents include the IOM and Submittal Sheet; contact technical support for certification copies or installation guidance.\u003c\/p\u003e","brand":"Conbraco Industries","offers":[{"title":"Default Title","offer_id":43672173577,"sku":"4A107A2","price":713.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/4A107A2-2_d4cf897b-6493-4bcd-b81e-bccfa4b2d3c6.jpg?v=1503296125"},{"product_id":"conbraco-2-double-check","title":"Conbraco 4A-108-T2 2\" Double Check Valve Assembly","description":"\u003cp\u003eConbraco\/Apollo DC4A and DCLF4A series 2\" double check valve backflow preventer assembly designed for irrigation, commercial, and industrial potable water protection. Bronze body construction and service-friendly design make routine testing and maintenance straightforward.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNominal size: 2\" - bronze body (C89836), SAE threaded test cocks available.\u003c\/li\u003e\n\u003cli\u003ePressure rating: 175 psi; temperature range approximately 33-180 F for standard elastomers.\u003c\/li\u003e\n\u003cli\u003eTop-access modular check cartridges with captured springs, replaceable seats, and reversible silicone (chloramine-resistant) seat discs.\u003c\/li\u003e\n\u003cli\u003eBall valve shutoffs with stainless steel handles and nuts; low pressure loss and compact footprint.\u003c\/li\u003e\n\u003cli\u003eCertifications and compliance: NSF\/ANSI 61; meets common industry standards for backflow prevention.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis assembly is designed, cast, machined, assembled and tested in the USA and carries the Apollo five-year factory warranty. Download the IOM and submittal sheet linked on the product page for dimensions, installation guidance, and service parts information.\u003c\/p\u003e","brand":"Conbraco Industries","offers":[{"title":"Default Title","offer_id":43672173705,"sku":"4A108A2","price":830.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/4A108A2-2_f9beccc2-e9f5-4963-8e9d-f47d427d3ff9.jpg?v=1503296126"},{"product_id":"4alf-105-t2f-1in-double-check-ss-handle-lf","title":"Apollo 4ALF105A2F 1\" Double Check Valve, SS Ball Valves","description":"\u003cp\u003eThe Apollo® 4ALF105A2F is a 1\" lead‑free double check backflow assembly (Model DC4A\/DCLF4A series) engineered to protect potable water from backpressure and back‑siphonage. Built with a lead‑free bronze body, stainless‑steel ball valve shutoffs, and top‑access modular check cartridges, it delivers low pressure loss, durable service, and straightforward maintenance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLow pressure loss and compact footprint, suitable for tight installations.\u003c\/li\u003e\n\u003cli\u003eLead‑free bronze body and components; nominal 1\" size for common plumbing runs.\u003c\/li\u003e\n\u003cli\u003eCaptured spring, top‑access modular cartridges with replaceable seats for fast field service.\u003c\/li\u003e\n\u003cli\u003eStainless‑steel ball valve handles and nuts standard; SAE threaded test cocks protect test fittings.\u003c\/li\u003e\n\u003cli\u003eChloramine‑resistant silicone seat discs and EPDM seals for extended service life.\u003c\/li\u003e\n\u003cli\u003e175 PSI maximum working pressure, 33–180°F temperature range; includes 5‑year Apollo factory warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for irrigation, commercial and residential potable systems where double check protection is permitted. Designed, cast, machined and assembled in the USA, this assembly meets common industry approvals including ASSE 1015, CSA B64.5 and IAPMO listings. Replacement cartridges, seats and trim components are available to simplify maintenance; consult the included IOM and submittal sheet for installation, testing, and service details.\u003c\/p\u003e","brand":"Conbraco Industries","offers":[{"title":"Default Title","offer_id":43672177033,"sku":"4ALF105A2F","price":343.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/4ALF105A2F-2_0bfdcffd-05be-4abd-bb82-3d7f1f93483f.jpg?v=1503296139"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/collections\/54-T_6bcde620-ff38-43e8-9ac2-d5ce9e7a34e4.jpg?v=1593295546","url":"https:\/\/www.sprinklersupplystore.com\/collections\/conbraco-double-check-assemblies\/type_backflow.oembed","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}