Watts OneFlow+ OFPSYS Installation, Operation And Maintenance Manual Download Page 4

4

NOTICE

Please confirm that all items required are included in the kit ready for  
assembly and remove from carton.

1.  The system can stand upright in the desired location without the need  

to affix to a wall with a mounting bracket. However, a mounting bracket 
is included as a separate part (Item 1).

2.  Place the system in the desired location. Make sure that the location is 

level and sturdy enough to support the weight of the wetted system.

3.  Turn off the main water supply to the home and open an inside faucet  

to relieve any pressure within the plumbing system.

4. Install a supply valve (user supplied) in the supply line and close it.

5. Connect the cold water supply to the inlet of the OneFlow

®

+ system.

6.  Using plumbing tape take the two 1" MPT Threaded Adapters (Item 3) and 

insert them into the inlet and outlet of the OneFlow

®

+ Housing (Item 2) 

as shown in Diagram A.

7.  Secure these adapters with the two red adapter Locking Pins (Item 4)  

as shown in Diagram A.

8.  Place a bucket under the outlet port or run a line from the outlet port  

to a drain.

9.  Turn the water back on to the house. Slowly open the supply valve to the 

OneFlow

®

+ system. Allow the housing to fill with water. Close the supply 

valve when a steady stream of water comes out of the outlet port. If the 
outlet is flowing into a bucket, water could splash on nearby objects. If 
this threatens the safety, value, structure, or appearance of these objects, 
protect/remove them or use the outlet hose to drain option.

10.  Close the inside faucet.

11.  Connect the outlet of the OneFlow

®

+ system to the cold water supply 

to the house.

12.  Open hot and cold faucets downstream from the OneFlow

®

+ system to 

relieve any air from the plumbing system and water heaters. Then close 
the faucets.

13. Check for leaks. Repair as needed.

OneFlow

®

+ System Parts

Bracket

Pressure Relief Valve

OneFlow

®

+ Head Assembly

Sediment/Carbon 

Filter Cartridge  

(20 microns)

OneFlow

®

+ Housing

Multifunction Tool

Outlet Connector

OneFlow

®

+ Scale  

Reduction (TAC)  

Catridge

Installation Instructions

New system comes with the cartridges and outlet connector  

pre-installed. Installer should verify this prior to installation.
How to install your OneFlow

®

+ system can also be found at:  

http://thescalesolution.com/residential

MPT Threaded Inlet/ 

Outlet Adapters (x2)

Inlet/Outlet red Adapter 

Locking Pins (x2)

5

7

9

3

1

4

2

6

8

10

Summary of Contents for OneFlow+ OFPSYS

Page 1: ...h the system Always connect the system to the main water supply pipe before the water heater Do not expose the system to freezing temperatures Water freezing in the system causes equipment damage Do n...

Page 2: ...ensure compatibility and performance Using OneFlow systems with other water treatment equipment There are some unique requirements for using OneFlow systems in conjunction with other forms of water t...

Page 3: ...r spots and scale residue outside the plumbing system difficult to remove NOTICE CAUTION Do not let the system freeze Damage to the housing may result System must be operated in a vertical position Do...

Page 4: ...r back on to the house Slowly open the supply valve to the OneFlow system Allow the housing to fill with water Close the supply valve when a steady stream of water comes out of the outlet port If the...

Page 5: ...le Reduction TAC cartridge back into the center of the Sediment Carbon cartridge making sure that it is sealed correctly as shown in Diagram C 9 Insert Outlet Connector Item 8 into outlet port and sec...

Page 6: ...n the bath you should notice that soaps and sham poos lather more than with un treated water Soaps and shampoos will also rinse off much easier and faster than they would with traditional soft water W...

Page 7: ...0 Black Cartridge 7100640 OFPSP Scale Prevention Cartridge F41 7100641 OFPCOM Combo Pack FP14 OneFlow System Replacement Parts 7300759 OFPHSG Housing and Head Assembly 7300760 OFPAP Inlet Outet Red Ad...

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