The fleck 3900 has a continuous service flow rate of 250 gpm with a backwash of 100 gpm. Always provide for the installation of a bypass valve if unit is not equipped with one. Multiport valve consist of fleck 3900 multiport double piston operated valve. Ensure water goes into the brine tank at the desired rate. Fleck 3900 3 commercial water softener for your business. View and download pentair fleck 3900 service manual online. Fleck systems 80450 gpm nelsen commercial water softeners with fleck controls whether your project is a low or highrise office building, shopping mall, hospital, hotel, college lab, restaurant, casino. Valve type 2510 2750 2815 2850 2900 3150 3900 regeneration type softenerfilter meter delayed softenerfilter meter immediate time clock day of the week remote regeneration regeneration flow downflow upflow filter electrical rating 24v dc features onscreen multilingual support. For electronic valves, please refer to the manual regeneration part of the timer operation section. English, francais, deutsch, italiano, espanol, nederlands. We are your trusted source for fleck 3900 control valves for commercialindustrial softeners and media filters. Model 3900 fleck systems valves and replacement parts. Fleck softener control valve 3200nxt timer no hard water bypass for 36 to 63 tank sizes 3. Position the valve to the start of the brine tank fill cycle.
We are your trusted source for fleck 3900 control valves for commercial industrial softeners and media filters. Model 3900 3 control valve features fully adjustable, 5cycle control delivers upflow back wash, downflow brining, slow rinse, rapid rinse and down flow service designed for single tank or multitank systems, alternating or interlocking continuous flow rate of 250 gpm protective nema 3r enclosure is waterresistant. Leadfree brass valve body for superior strength and durability. Fill in pertinent information on page 3 for future reference.
View online or download pentair fleck 3900 service manual. Commercial fleck 3900 3 inch metered on demand water softeners is a high flow water softener system. Moreover, the 3900 valve features an environmentally protective cover for water and corrosion resistance and uv stability. Automatically regenerating water softeners with fleck valves. The brine valve drive cam will hold the valve in this position to fill the brine tank for the first regeneration.
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