Help me choose between the Fleck 5600 SXT and the Fleck 5800/5810 SXT.

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Moonglades172

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I am looking to install a full house water softener for a 4 bathroom, two story 2800 sq ft home.

It seems like the 5600 is the tried and true model and is often recommended over the 5800/5810 even though the 5800/5810 has minor improvements like brining with soft water and a higher service flow rate.

My concern is that the 5600 has an “internal port size” of 3/4inch but the 5800/5810 has an internal port size 1inch. My understanding is that this is the tube inside the softener and unrelated to the bypass connector size. Many water softener technicians I’ve spoken to say I won’t feel any drop in pressure and that 3/4 should be sufficient, but my plumber says that I should definitely go with a 1inch water softener as “you would definitely feel it.” If it matters, the main line coming into the home is 1inch but the line running to the water heater is 3/4inch. What say you all?

Finally, we are on chlorinated city water so I think I need to install a carbon filter before the softener to preserve the resin. Would an upflow carbon filter have a practical impact on water pressure also?

Thanks!
 
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