Browse Apollo Products Apollo Ball ValvesApollo Check ValvesApollo Press FittingsApollo Service KitsApollo Safety & Relief ValvesApollo Butterfly ValvesAll Apollo Products ✔ In Stock – Fast Shipping from Multiple U.S. Warehouses ✔ Apollo 4A Series – Backflow Preventer ✔ Multiple Sizes & Configurations – Select from Dropdown ✔ NSF/ANSI 61 Certified High Demand Item – Frequently Reordered by Contractors Apollo 4A Series backflow preventer in Bronze. NSF/ANSI 61 certified. Multiple sizes and configurations available — select from the dropdown above. Designed for commercial, industrial, and mechanical piping systems. Quarter-turn isolation valves included where applicable for easy testing and maintenance. Applications Potable water and plumbing systems Commercial and industrial backflow protection Irrigation and fire protection systems Mechanical and HVAC piping systems Key Features Series: 4A Series Type: Backflow Preventer Body: Bronze Certifications: NSF/ANSI 61 Multiple sizes and end configurations available Specifications Attribute Value Series 4A Series Type Backflow Preventer Body Material Bronze Certifications NSF/ANSI 61 Frequently Asked Questions What sizes are available? Select your size from the dropdown above. Contact us at [email protected] for sizes or configurations not listed. Is this NSF/ANSI certified? Yes. Apollo 4A Series valves are NSF/ANSI 61 certified for use in potable water systems. Can I get bulk pricing? Yes — contact us at [email protected] for contractor pricing on large quantities or project orders. Why Contractors Choose This Product NSF/ANSI 61 certified — approved for potable water service Bronze body — durable, corrosion-resistant construction Wide size range — 1/4" through 12" available Apollo — trusted brand in commercial and industrial backflow protection ✔ In Stock – Ready to Ship ✔ Bulk Pricing Available ✔ Fast Shipping from Multiple U.S. Warehouses ✔ Built for Contractors, Not DIY Buying in volume? Contact us at [email protected] Technical Documents Document Type Download 📚 Catalog Apollo Backflow Preventer Catalog ↗ 📚 Catalog Apollo Commercial Products Catalog ↗ Related Resources Apollo Backflow Preventer Selection Guide →Apollo Valve Installation Guide →Apollo Repair & Maintenance Guide →
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