Model 2900s - upflow, Page 45 – Watts Fleck 2900 Brass Valve User Manual
Page 45
![background image](/manuals/590096/45/background.png)
Page 45
MODEL 2900s - Upflow
4
BACK WASH POSITION
5
RAPID RINSE
Hard water enters unit at valve inlet —
flows thru service adapter for by pass, and up thru coupling to regenerating valve inlet. It then flows thru the regenerating valve piston — down the
center tube — thru the bottom distributor and up thru the mineral — around the piston and out the drain line. If optional no hard water by pass pis-
ton is used water flow to outlet is prevented by an extended section of the service piston which closes the outlet port from by pass water until the
end of rapid rinse.
6
BRINE TANK FILL POSITION
Hard water flows thru the regenerating valve directly down thru the min-
eral into the bottom distributor and up thru the center tube — around the
piston and out the drain line.
Hard water flows thru the service valve and down thru the
mineral. Conditioned water enters the bottom distributor flows up the
center tube around the piston to the outlet. Hard water flows to the
regenerating valve thru the injector housing and brine valve to fill the
brine tank.