Autotrol (1001670) 1" Sweat Copper Tube Adapter Kit Less than 1 Micron1670 Replace the NF90-4040 element when

Replace the NF90-4040 element when chemical cleaning no longer restores performance

cleaning the cartridge as needed to extend service life

The modular injector/drain assembly allows for quick servicing without removing the valve from the tank

chlorine taste & odor

Replace when polyphosphate crystals are mostly dissolved or pressure drop increases significantly

Autotrol (1001670) 1" Sweat Copper Tube Adapter Kit Less than 1 Micron1670 Replace the NF90-4040 element whenAutotrol Control Valve Accessory 1" Sweat Copper Tube Adapter Kit Professional grade copper connection adapter for Autotrol 255 control valves, designed for permanent sweat soldered installations Model 1001670 1 Inch Sweat Connection Copper Construction WHAT IT DOES Converts Autotrol 255 valve connections to permanent copper sweat fittings The Autotrol 1001670 adapter kit replaces standard threaded connections with 1 inch sweat copper fittings,