Symmons TA-25B-RP Installation Guide Page 3

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PAGE ONE. Reattach dome cover back
onto packing nut.
6. Mount gasket (T-27B) onto back of
escutcheon with opening at bottom as
shown in Figure 4. The use of this gasket
should not preclude sealing valve body in
wall as directed in installation instruction
step #2.
7. Assemble dial plate and escutcheon by
sliding volume control handle with clip
(T-27CL) into slot in escutcheon as shown
in Figure 9. Remove protective coating
from dial plate.
8. ALLOW VALVE TO RUN IN WARM
POSITION FOR A FEW MINUTES TO
TOTALLY FLUSH SYSTEM. IF SYSTEM IS
QUITE DIRTY, REMOVE VALVE SPINDLE
OR STOP SPINDLES (IF SO EQUIPPED) TO
INSURE PROPER FLUSHING. See service
instructions.
8. Install escutcheon on valve making sure
diverter/volume shaft (A) aligns with
mating key slot in top of diverter/volume
spindle (B) (Models A and B only).
A.
B.
Push assembled escutcheon against wall
and secure to valve with two escutcheon
screws (T-28). Mount temperature control
handle on valve spindle spline as shown
in figure 9. Install shower arm, flange and
shower head. See Figures 2 and 3.
9. Do not install positive shut-off devices
on the outlet of this valve or devices that
do not allow the valve to flow at least 1
GPM at 50 psi inlet pressure. EXCEPTION:
If a self-closing or slow-closing valve is
installed on the outlet, the supplies of the
valve must be equipped with checks to
eliminate hot to cold by-pass in the event
the valve’s handle is not turned to off after
use. Contact your factory representative
or Symmons directly for information on
available checks.
FIBERGLASS WALL INSTALLATION
When installing Temptrol
®
in fiberglass or
panel walls and it is desired to sandwich
wall between valve body and escutcheon,
cut hole in wall as shown in Figure 5 and
mount valve with T-177 wall mounting
flange from rear. Note: It is always
recommended to secure valve piping
to rough construction and not
depend on fiberglass wall for valve
mounting security. On panel walls over
1” thick, install in conventional manner.
approx.
28 7/8"
733mm
4 7/8"
124mm
6 3/8"
162mm
FIGURE 3
Model B: Shower System
THICK WALL
HOLE SIZE
1
16
''
to
3
4
''
2mm 19mm
4" (101mm) Max
3" (75mm) Min
T-177 Wall Mounting Flange
For 21mm to 1" 25mm
thick wall order part no. T-193
13
16
''
FIGURE 5
T-27B
FIGURE 4
Install plug here for
shower only installation
Install plug here for
tub only installation
Copper sweat plug
1/2"-14 NPT plug
(pipe sealer required)
or
FIGURE 3A
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