5
OFPSYS EU_IOM_IT_W_UK_01_21_Rev0
Watts Water Technologies, Inc.
UK
The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out
any technical and design improvements to its products without prior notice. Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and
conditions found on its website at www.wattswater.eu. Watts hereby objects to any term, different from or additional to Watts terms, contained in any buyer communication in any form,
unless agreed to in a writing signed by an officer of Watts.
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
®
+
EU system
6. Using plumbing tape take the two 1” BSP Threaded Adapters
(Item 3) and insert them into the inlet and outlet of the
OneFlow
®
+ EU 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
®
+ EU 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
®
+ EU system to the cold
water supply to the house.
12. Open hot and cold faucets downstream from the OneFlow
®
+
EU system to relieve any air from the plumbing system and
water heaters. Then close the faucets.
13. Check for leaks. Repair as needed.
Pressure Relief Valve
5
OneFlow
®
+ EU
Head Assembly
7
Sediment/Carbon
Filter Cartridge
(20 microns)
9
3.3 OneFlow
®
+ EU System Parts
BSP Threaded
Inlet/Outlet Adapters (x2)
3
Bracket
1
Inlet/Outlet red Adapter
Locking Pins (x2)
4
OneFlow
®
+ EU Housing
2
Multifunction Tool
6
Outlet Connector
8
OneFlow
®
+ EU Scale
Reduction (TAC)
Catridge
10
SOFT SCALE SPOTTING
Depending on hardness of the water, soft scale spotting
may occur on external plumbing surface. But in most
cases, these spots can be easily wiped down with a
damp cloth and will not form hard scale deposits.
