The Apollo Model FFB Combination Backflow Preventer and Fast Fill Pressure Regulator is designed to protect residential and commercial potable water supply lines from back-siphonage or backpressure on Hot Water Heating Boilers. An intermediate atmospheric vent ensures positive protection from backflow conditions. The pressure regulator provides boiler make up water at the desired pressure and includes a purge/quick fill feature.
All Brass/Bronze Construction
Designed for continuous pressure
Independently acting check valves
In-line replaceable cartridge
Purge lever / high capacity fast fill feature
No steel cage screws
Factory pre-set at 15 psig - Adjustable 10 to 25 psig
Untapped vent port option (-C)