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This component features 3/4” NPT to 1/2” NPT connections
0401190058 - PH3900-006 Power Head 3900 adapt duplex B 24V # 7: Perfect for duplex systems
16433 - 1 x Microswitch
Safeguards against energy loss
Nitrate Reduction System with Clack Valve (1.7 m³/hr to 20.0 m³/hr) Fleck 9000 Duplex Valves This component features 3/4” NPTProduct Description High levels of nitrates in water are dangerous (legal limit in potable water is 50mg l). A nitrate reduction system is made up of a high quality vessel filled with nitrate selective resin with a multi port valve on the top. The nitrate rich water passes over a resin where the nitrate is exchanged for chloride ions. Periodically this nitrate needs to be removed by regenerating with salt. As the nitrate levels vary from month to
