Apollo 4A Series Reduced Pressure Backflow Preventer | 3/4 in. & 1 in. Bottom Plate What does “

What does “

start times and watering days for each zone

Houzer identifies it for the NOS-4100 sink family

Compatible Houzer sink families include: EC-3208/EC-3220

corrosion protection

Apollo 4A Series Reduced Pressure Backflow Preventer | 3/4 in. & 1 in. Bottom Plate What does “Apollo 4A Series Reduced Pressure Backflow Preventer Brand: Apollo (Conbraco) SKUs: 4A204A2F, 4A205A2F Product Overview The Apollo 4A Series reduced pressure principle backflow preventer is designed to help isolate potable water from a non potable downstream system in approved high hazard applications. It uses two independently operating check modules with an intermediate relief valve. If pressure conditions prevent the checks from maintaining the