This is an Apollo reduced pressure zone backflow preventer. Please refer to the technical specifications in the listing for more information.
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Reduced Pressure Zone Backflow Preventer |
| Manufacturer Part Number | 4ALF204A2F |
| Valve Series | 4A, 4A |
| For Media | Water |
| Hazard Protection Level | High Health Hazard |
| Pipe Size | 3/4 in |
| Connection Type | FNPT |
| Media Temp. Range | 33 °F – 180 °F |
| Max. Pressure (CWP) | 175 psi |
| Overall Height | 7.38 in |
| Overall Length | 12.63 in |
| Overall Width | 3.13 in |
| Body Material | Bronze |
| Seat Material | Silicone |
| Protection Type | Back-Pressure; Back-Siphonage |
| Includes Strainer | No Strainer |
| Includes Freeze Protection | No Freeze Sensor |
| Shut-Off Valve Type | Ball Valve |
| Check Mechanism Material | Glass-Filled PPO |
| Cracking Pressure | 5 psi |
| Spring Material | Stainless Steel |
| Number of Test Ports | 4 |
| Connection Size - Side 1 | 3/4 in |
| Connection Gender - Side 1 | Female |
| Connection Type - Side 1 | NPT |
| Connection Size - Side 2 | 3/4 in |
| Connection Gender - Side 2 | Female |
| Connection Type - Side 2 | NPT |
| Mounting Orientation | Horizontal |
| Includes Flood Protection | No Flood Protection |
| Includes Atmospheric Vent | No Atmospheric Vent |
| Flow Rate | 40 gpm |
| Check Valve Length | 8-1/2 in |
| Handle Material | Stainless Steel |
| Backflow Preventer Type | Reduced Pressure Assembly (RP) |
| Freeze Protection | No |