Operation
With sufficient pressure, operation of the Watts OneFlow
is completely automatic. Dependable operation involves only peri-
odic filter changes and service documentation.
Maintenance
Routine maintenance of your OneFlow
filter cartridge changes and/or replacement of sump O-rings. If the
system sizing recommendations have been followed, the OneFlow
Cartridge (OF110RM) should last one year.
Filter Change Frequency
The filters should be changed in response to the following conditions.
OF110RM
• 12 months since installation or last filter change.
3.
2.
4.
system
®
system involves periodic
®
®
6.
7.
8.
Replacement Filter Cartridges
OneFlow
systems can only be used with OneFlow
®
tridges. Use of replacement cartridges other than those specified
will void warranties, certifications and may compromise equipment
protection, water quality and equipment life.
Filter Cartridge Replacement Procedure
NOTICE
Determine whether all equipment connected to the OneFlow
system must be turned off prior to shutting off water supply from
filters.
1. If required, turn off equipment.
2. Turn OFF water to OneFlow
3. Press the red button to release pressure.
4. Remove housing(s) – use filter wrench if necessary.
5. Clean inside of housing sump with warm water. If desired,
disinfect housing using a teaspoon of household bleach.
Add to filter bowl and fill with water. Let stand 5 minutes
and then discard.
6. Insert new cartridges into filter housings. Match cartridge
model numbers to model numbers on bracket.
7. Make certain the O-ring is properly positioned and reinstall
filter housings (hand tighten only). Check O-ring for dam-
age and replace if damaged or distorted.
8. Slightly open the inlet ball valve; push the red pressure relief
button to release trapped air until a small amount of water
comes out - release the red button and fully open the ball valve.
9. Open the flush valve downline from the filter housing (if
equipped) and flush the new cartridges to drain or bucket
for two (2) minutes or until water runs clear. If no flush valve
is present, disconnect line from equipment to flush to drain.
NOTICE
10. With water supply inlet valve OPEN and water flow confirmed,
turn on connected equipment. Failure to supply water to
equipment may cause serious damage.
11. Record filter change on the service log.
5
filter car-
®
system by closing Inlet Ball Valve.
®
®