Watts Fleck 3900 Brass Valve - Manual (Page 29)

Printed in U.S.A.
Page 29
MODEL 3900
System #4 - Typical Single Tank Installation with Optional Meter
System #5 Interlock - Typical Twin Tank Installation
with Optional Meter Interlock and No Hard Water Bypass
DRAIN
BRINE LINE
BRINE
TANK
RESIN
TANK
3 WIRE
POWER CORD
MANUAL
SHUT-OFF
OUT
IN
OPTIONAL
3900 METER
DRAIN
BRINE LINE
BRINE TANK
RESIN TANK
UNIT 2
BRINE TANK
ELECTRICAL
INTERLOCK
CORD
3 WIRE
POWER CORD
MANUAL
SHUT-OFF
RESIN TANK
UNIT 1
OUT
IN