Conbraco RP4A 4A-208-T2 2" Reduced Pressure Backflow Preventer
The Conbraco (Apollo) RP4A Series 4A-208-T2 is a 2" reduced-pressure backflow preventer engineered for reliable protection of potable water systems. Designed for commercial and irrigation applications, it combines a lead‑free bronze body with top-access serviceability and field-proven testing features.
- Nominal size: 2" (4A-208-T2)
- Body material: Bronze (UNS C84400), lead‑free construction
- Pressure & temperature: Rated to 175 psi; operating range 33°–180°F
- Valves & trim: Full-port ball valves with stainless steel handles and trim
- Serviceability: Top-access modular check valve cartridges with captured springs and replaceable seats
- Seats & seals: Reversible silicone seat discs and chloramine-resistant elastomers
- Test & compliance: SAE test cocks; certified to ASSE 1013, CSA B64.4 and IAPMO (per manufacturer)
- Warranty: 5-year Apollo factory warranty
Built for straightforward inspection and maintenance, the RP4A series minimizes downtime with modular cartridges and standard SAE test cocks. Typical applications include commercial buildings, irrigation mains, and other installations where backpressure or back-siphonage risk exists. Documentation including the specification sheet and installation/operation manual are available from the manufacturer. Verify the model number and connection style before ordering to ensure compatibility with your piping system.