The 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. Size & connections: 1-1/4" nominal size with female threaded connections (FPT) for common installation compatibility. Durable construction: Bronze body with corrosion-resistant trim and chloramine-resistant elastomers for long service life. Top-access modular design: Captured-spring cartridge check valves and reversible silicone seat discs allow fast field testing and simple repairs without special tools. Ball valve shutoffs: Standard ball valve isolation with stainless-steel (SS) handles and nuts simplifies isolation during maintenance. Performance ratings: Maximum working pressure up to 175 psi and recommended temperature range 33°F to 180°F for typical commercial and irrigation applications. Certifications & warranty: Designed to meet industry standards such as ASSE 1015 and AWWA C510; carries Apollo’s 5-year factory warranty. Specifically 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.
