Specification

F19
© 2013 AS America Inc.
Revised 10/13
ROUGH VALVES
TWO-HANDLE THERMOSTAT
WITH SEPARATE VOLUME CONTROL
R520
1/2" NPT INLETS
or
R540
3/4" NPT INLETS
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 # R5_0.
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 seats 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 fitting, both supplies pass through the spring-loaded
check valves to prevent cross flow 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.
MODEL NUMBER:
R520 Rough Valve Body only
1/2" NPT inlets/outlets. With separate volume control.
L
ESS Trim.
R540 Rough Valve Body only
3/4" NPT inlets/outlets. With separate volume control.
L
ESS Trim.
NOTE:
• When used as a Bath/Shower:
EITHER
- a separate diverter valve (such as R420 or R430)
OR
- a diverter tub spout (requires twin ell)
IS REQUIRED
GENERAL DESCRIPTION:
Cast brass valve body. The single unit contains two
handles, the bottom handle sets the desired temperature
and the metal top 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.
Available with 1/2" or 3/4" NPT
inlets and outlets.
100mm
(3-7/8")
48mm to 68mm
(2" to 2-5/8")
235mm
(9-1/4")
25mm
(1")
FINISHED
WALL
PLASTER
GUARD
196mm
(7-3/4")