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The Apollo® International™ DCAPLF4A dual check with atmospheric port is designed to protect residential and commercial water supply lines from back siphonage or back pressure of non-potable/non-hazardous substances. An intermediate atmospheric vent provides protection from backflow conditions.
Apollo® Standard Dual Check Backflow Preventer With Atmospheric Port, 4A-400 Series, 1/2 in Nominal, Union x FNPT Connection, 175 psi Pressure, Media: Water, Spring Actuator, Forged Brass Body, Lead-Free/Contains Lead: Lead-Free, 33 to 210 deg F, Dimensions: 4.1 in L x 1.9 in W
| Actuator Type | : | Spring |
| Body Material | : | Forged Brass |
| Connection Type | : | Union x FNPT |
| Dimensions | : | 4.1 in L x 1.9 in W |
| Lead-Free/Contains Lead | : | Lead-Free |
| Media | : | Water |
| Nominal Size | : | 1/2 in |
| Pressure Rating | : | 175 psi |
| Series | : | 4A-400 Series |
| Temperature Rating | : | 33 to 210 deg F |