9-1/8"
(236 mm)
1/2" NPT
INLETS
3/4" NPT
INLETS
7-7/16"
(188 mm)
C
O
T
O
R520
or
R540
NOTE: FITTING MUST BE INSTALLED
WITH VOLUME CONTROL ON TOP.
H
5-7/8" (150 mm)
L
TOWNSEND
®
TWO-HANDLE THERMOSTAT
MODEL NUMBER:
TRI M K I T:
❏ T353.740 Two-Handle Thermostat Trim Kit
With separate volume control. LESS Valve.
ROUGH VALVES:
TEMPERATURE & ON/OFF VOLUME CONTROL ONLY
❏ R520 Rough Valve Body only
1/2" NPT inlets/outlets. With separate volume control. LES S Trim.
❏ R540 Rough Valve Body only
3/4" NPT inlets/outlets. With separate volume control. LESS Tr i m.
TEMPERATURE & ON/OFF VOLUME CONTROL & BUILT-IN DIVERTER
❏ R522 Rough Valve Body only (Discrete function)
1/2" NPT inlets/outlets. With built-in 2-way diverter. LESS trim.
❏ R522S Rough Valve Body only (Shared function)
1/2" NPT inlets/outlets. With built-in 2-way diverter. LESS trim.
❏ R523 Rough Valve Body only (Discrete function)
1/2" NPT inlets/outlets. With built-in 3-way diverter. LESS trim.
❏ R523S Rough Valve Body only (Shared function)
1/2" NPT inlets/outlets. With built-in 3-way diverter. LESS trim.
D
GENERAL DESCRIPTION:
Cast brass valve body. The single unit contains two handles, the bottom
lever handle sets the desired temperature and the top lever handle
functions as an on/off, volume control. The temperature is maintained
by a wax element moving a shuttle valve between hot and cold. The
volume is controlled by twin ceramic disc valve cartridges. Ceratherm
includes Hot Limit Safety Stop. Maximum temperature limit is 112°F.
Escutcheon plate is stamped brass. Available with 1/2" or 3/4" NPT
inlets and outlets. The valve has a high ow rate, ideal for mutiple
outlet installations.
FINISHED WALL
3-11/16"
(94 mm)
PRODUCT FEATURES:
Brass Casting: Highest quality faucet material for durability & long life.
Wax Thermostatic Unit: Permits shuttle valve to move between the hot
and cold seat to maintain the pre-selected constant water temperature.
Back to Back Capable: Hot and cold can be reversed.
7-3/8"
(186 mm)
3-7/8"
(100 mm)
Spring-Loaded Check Valves: When the hot and cold water enters
the tting, both supplies pass through the spring-loaded check valves
to prevent cross ow of hot and cold water.
3"
(73 mm)
Integrated Stop Valves: Ensure easy cleaning and servicing.
Adjustable Hot Limit Safety Stop: Limits the amount of hot water
allowed to mix with cold. Reduces the risk of accidental scalding.
1"
(25 mm)
2" to 2-5/8"
(48 mm to 68 mm)
Maximum water temperature limit may be reduced to 104 or 109
degrees Fahrenheit.
SUGGESTED SPECIFICATION
Two-handle Thermostat shall feature a cast brass valve body. Thermostat shall be a wax element shuttle valve. Shall also
feature ceramic disc valving, 1/2" NPT or 3/4" NPT inlets and outlets. Fitting shall be American Standard Model # T353.740.___
(Trim Kit) and R52_ or R540 (Rough Valve).
© 2016 AS America, Inc.
1/16
TOWNSEND
TWO-HANDLE THERMOSTAT
®
CODES AND STANDARDS
These products meet or exceed the following
codes and standards:
ASSE 1016
ASME A112.18 .1
CSA B125.1
** TRIM & ROUGH MUST BE ORDERED SEPARATELY. Finish Options
Product
Number
TRIM KITS **
T353.740*
Description
Two-handle Thermostat Trim Kit with separate volume control.
FLOW RATE*
25
20
15
10
5
GALLONS PER MINUTE
0
*Flow rates shown are for mixed hot and cold.
INLET PRESSURE (PSI)
Polished
Chrome
002 013 278 295
PVD
Polished
Nickel
Legacy
Bronze
3/4"
1/2"
80604020
PVD
Satin
Nickel
Product
Number Description
R520*
R540*
R522
R522S
ROUGH VALVE BODIES
R523
R523S
Rough Valve Body less trim - 1/2" NPT Inlets/Outlets. With separate volume control only. LESS trim.
Rough Valve Body less trim - 3/4" NPT Inlets/Outlets. With separate volume control only. LESS trim.
Rough Valve Body less trim (Discrete function) - 1/2" NPT Inlets/Outlets. With separate volume control and
built-in 2-way diverter. LESS trim.
Rough Valve Body less trim (Shared function) - 1/2” NPT Inlets/Outlets. With separate volume control and
built-in 2-way diverter. LESS trim..
Rough Valve Body less trim (Discrete function) - 1/2" NPT Inlets/Outlets. With separate volume control and
built-in 3-way diverter. LESS trim.
Rough Valve Body less trim (Shared function) - 1/2” NPT Inlets/Outlets. With separate volume control and
built-in 3-way diverter. LESS trim.
*NOTE: When used as a Bath/Shower a separate diverter valve is required (such as R420 or R430).
Requires twin ell (must be ordered separately) for use with diverter spouts.
Meets the American Disabilities Act Guidelines and ANSI A117.1
Requirements for the physically challenged.
© 2016 AS America, Inc.
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