Autotrol Refill Control

The Autotrol Refill Control is a genuine Pentair flow control rated at 0.33 gpm that governs how quickly water refills the brine tank after each regeneration. Refill flow is what determines how much water enters the brine cabinet, which in turn sets the amount of brine the system has available for its next softening cycle. That makes this small, inexpensive part directly responsible for your softener's salt dosing accuracy and overall efficiency.

When the refill control is worn, partially clogged with sediment, or simply the wrong rating for the valve, the consequences are immediate and noticeable. Too little refill water produces weak brine and hard water during service, while too much water can overfill the brine tank, cause overflow, and waste both salt and water. Installing the correct 0.33 gpm refill control restores accurate brine preparation and keeps regeneration consistent from one cycle to the next.

Specifications

• Genuine Pentair Autotrol refill control
• Compatible valve model: 268
• Rated flow: 0.33 gallons per minute
• Function: meters brine tank refill water
• Item weight: 0.02 lbs
• Directly affects salt dosing and efficiency

This is a frequently serviced wear part on Autotrol valves, since the small orifice that sets the flow rate is exactly where mineral and sediment buildup tends to accumulate. For that reason, the refill control is one of the first components to inspect whenever you are troubleshooting unusual brine tank water levels or hard water appearing after a regeneration that should have left the system fully recharged.

Keeping a spare on hand makes maintenance quick and helps avoid downtime. Before ordering, confirm compatibility with your valve so the flow rating matches the system's design. While servicing, it is also wise to check the brine line, air check, and float assembly so related issues can be addressed together. With a correct refill control in place, your softener returns to reliable, efficient, and properly dosed operation. Because the orifice is so small, even a brief lapse in maintenance can let scale narrow the opening, so periodic inspection of the refill control is a worthwhile part of any softener service routine. If you notice the brine tank water level creeping higher over successive cycles, the refill control is the prime suspect, and swapping in a known-good unit is a fast, decisive way to confirm or rule it out.