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

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Cartridge Details

cleaning the cartridge as needed to extend service life

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,