Direct Compatibility: Replaces legacy part numbers 308090-403 and 308570-303

the unit is set to open at 35 PSIG and close at 60 PSIG

Extreme Durability: Heat-resistant alloy construction prevents warping and maintains orifice alignment over years of thermal cycling

utilizing a high-performance bellows system to ensure setpoint stability even under vibration

this Catch-All series unit utilizes a molded porous core to capture moisture

Conbraco 4A-4A3-3AM Preventer Els PW 17895 Direct Compatibility: Replaces legacy partAs a direct replacement for the legacy 40 4A3 3AM, the Apollo Conbraco 4A 4A3 3AM is a 1 2" FNPT dual check backflow preventer engineered for reliable protection in residential and commercial water supply lines. Built with a rugged forged brass body, this DCAP4A series assembly utilizes an intermediate atmospheric port to vent pressure between check valves, preventing back siphonage and backpressure of non hazardous substances. This model features