Apollo™, 4ALF107A2F, Backflow Preventer, Standard, Series: DCLF4A, 1-1/2 in Nominal, Non-Rising Stem Flange End Style, 175 psi Pressure, 33 to 140 deg F, Dual Check Backflow, Media: Water, Bronze Body, Domestic

• Low pressure loss
• Captured spring cartridge check valves
• Compact yet easy to maintain
• Apollo ball valves with Stainless steel handles and nuts standard
• Top access for fast testing and maintenance
• Threaded testcock protectors
• Corrosion resistant

• Warranty Information https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Apollo_1030102_Warranty.pdf
• Catalog https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Apollo_3830402_Catalog.pdf
• Specification Sheet https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Apollo_4ALF105A2LL_Specification_Sheet.pdf
• Owners/User Manual https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Apollo_4ALF105A2LL_User_Manual.pdf

The Apollo™ Model DC 4A Double Check Valves are designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable, but non-health hazards. The modular check valve captured spring cartridges have replaceable seats and reversible silicone seat discs. Apollo™ ball valve shut-offs with stainless steel handles and nuts are standard.