Dimensions Guide

© 2016 AS America, Inc.
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.
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.
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.
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.
Maximum water temperature limit may be reduced to 104 or 109
degrees Fahrenheit.
TOWNSEND
®
TWO-HANDLE THERMOSTAT
1/16
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).
7-3/8"
(186 mm)
3"
(73 mm)
9-1/8"
(236 mm)
2" to 2-5/8"
(48 mm to 68 mm)
3-7/8"
(100 mm)
5-7/8" (150 mm)
7-7/16"
(188 mm)
NOTE: FITTING MUST BE INSTALLED
WITH VOLUME CONTROL ON TOP.
R520
1/2" NPT
INLETS
or
R540
3/4" NPT
INLETS
1"
(25 mm)
FINISHED WALL
H
O
T
C
O
L
D
3-11/16"
(94 mm)
MODEL NUMBER:
TRIM KIT:
❏ 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. LESS Trim.
❏ R540 Rough Valve Body only
3/4" NPT inlets/outlets. With separate volume control. LESS Trim.
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.