The Fleck 3900 is a rugged commercial/industrial water softener valve with the advanced NXT digital control and electronic meter. The inlet and outlet is 3" for continuous flow rate up to 250 GPM.

Valve Options

Piston Options

Hard water bypass
No hard water bypass

Valves are custom built to the size tank it's going on

Features

Fully adjustable, 5-cycle control delivers upflow backwash, downflow brining, slow rinse, rapid rinse, and downflow service
Designed for single tank or multi-tank systems, alternating or interlocking
Continuous flow rate of 250 GPM
Solid, lead-free brass* valve body for superior strength and durability
Protective NEMA 3R enclosure is water-resistant, corrosion-resistant, and UV stable
Flexible 7 or 12 day time clock or meter initiated regeneration

Valve Specifications

Valve material: Lead-free brass*
Inlet/Outlet: 3"
Cycles: 5
Electrical rating: 24 v, 110 v, 200 v - 50 Hz, 60 Hz
Distributor pilot: 3" O.D.
Drain line: 2" NPTM
Injector brine system: 1"
Mounting base: Top 6" - 8 threaded or flanged
Height from top of tank: 15"

*As defined in the U.S. EPA Safe Drinking Water Act; the product also meets California Proposition 65 Standards

Resources

Fleck 3200NXT Spec Sheet

Fleck 3900 Spec Sheet

Fleck 3900 Downflow Service Manual

Fleck 3900 Upflow Service Manual

3" Valves

Fleck 3900 Softener Valve With NXT2 Control