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Installation Drawings & Dimensions
Mounted to secure wall
on studs or wall panel –
Do not mount to unsupported
sheet-rock or gypsum board.
A
Wall
Model OFTWH-C: 61/2"
Model OFTWH: 5"
Model OFTWH-R: 6
⁄
"
1
8
⁄
" FNPT
3
4
Inlet Ball
Valve
Water filtration unit must be installed
on the cold water supply only
Dimensions
Model
A
in.
mm
OFTWH-C
18
⁄
470
1
2
OFTWH-R
28
1
⁄
724
2
OFTHW
27
686
Peak Flow Rates — Weights
Model
OFTWH-C
*Maximum Flow
5 gpm 18.9 lpm
Dry Weight
12 lbs. 5.5 kgs.
Service Weight
19 lbs. 8.6 kgs.
*Exceeding maximum flow can reduce effectiveness and void warranty.
The overall height and the height of the inlet fitting varies due to material
variations and assembly tolerances. Please allow additional clearance above
the filter for making connections.
B
⁄
" Full flow
3
4
ball valve inlet
4
⁄
"
1
connection to
2
water supply
3" Min. Removal Clearance
Mounted to secure wall
on studs or wall panel –
C
Do not mount to unsupported
sheet-rock or gypsum board.
1"
D
FNPT
Outlet
A
3" Min. Removal Clearance
Dimensions
B
C
in.
mm
in.
8
⁄
219
10
5
8
8
1
⁄
206
9
3
⁄
16
4
8
203
9
⁄
3
4
OFTWH-R
6 gpm 22.7 lpm
15 lbs. 6.8 kgs.
29 lbs. 13.2 kgs.
D
mm
in.
mm
254
3
76
248
3
76
248
3
76
OFTWH
10 gpm 38 lpm
19 lbs. 8.6 kgs.
33 lbs. 15 kgs.
4
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