Fleck 9100 SXT
electronic Softener Valve
Comes with Cover ( FL91/90SXT-DG
), ( 2 ) MD1203 top distributors,
and ( 2 ) MD1236 bottom distributors.
Same as the 9000, but Valve body and tank adapters are made of lighter Noryl.
Twin tanks provide continuous soft water.
With a twin-tank Fleck 9100 valve, customers benefit from soft water 24 hours a day, seven days a week.
That is because the Valve switches to the second tank of soft water once the softening capacity of the first tank is used.
While the second tank is in service, the first tank regenerates ( with soft water ), giving you all the advantages of continuous soft water.
The reliable mechanical meter counts your water as you use it.
So the system only regenerates when needed ( based on your usage and not time or day ).
This is the most efficient type of system you could own.
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Tank Diameter - How To Measure and Why
Service Manual = /manuals/900091009500_40944_RD.pdf