13 / 14 Series Installation     
8
  13 / 14 Series Installation     
4
Adjusting the Rotational Limit Stop
IMPORTANT:
The Rotational Limit Stop is used to limit the 
amount of hot water available such that, if set 
properly, the user will not be scalded if the han-
dle accidentally is rotated all the way to “hot” 
when a person is showering or filling a tub. The 
first position allows the LEAST amount of hot 
water to mix with the cold water in the system. 
In the first position the water will be the coldest 
possible when the handle is turned all the way 
to hot. As you move the Rotational Limit Stop 
counterclockwise, you progressively add more 
and more hot water in the mix. The last position 
to the left will result in the greatest amount of 
hot water to the mix, and the greatest risk of 
scald injury if someone accidentally turns the 
valve handle all the way to the hot side while 
showering or filling a tub. 
WARNING: In some instances, setting the 
Rotational Limit Stop in the hottest position 
(full counterclockwise) could result in scald 
injury. It is necessary to adjust the Rotation-
al Limit Stop so that the water coming out 
of the valve will not scald the user when the 
handle of the valve is rotated to the hot side.
s!CCORDINGTOTHEMAJORITYOFINDUSTRYSTAN-
dards, the maximum allowable temperature of 
the water exiting the valve is 120°F (Your local 
plumbing codes may require a water tempera-
ture less than 120°F).
s4HE2OTATIONAL,IMIT3TOPMAYNEEDTOBERE-
adjusted seasonally if the inlet water tempera-
ture changes. For example, during the winter, 
the cold water temperature is colder than it is 
during the summer which could result in vary-
ing outlet temperatures. A water temperature 
for a comfortable bath or shower is typically 
between 90°F - 110°F.
s2UNTHEWATERSOTHATTHECOLDWATERISAS
cold as it will get and hot water is as hot as 
it will get. Place the handle on the stem (see 
page 9, step 5D) and rotate the handle coun-
terclockwise until the handle stops. 
s0LACEATHERMOMETERINAPLASTICTUMBLER
and hold in the water stream. If the water 
temperature is above 120°F, the Rotational 
Limit Stop must be repositioned clockwise to 
decrease valve outlet water temperature to 
be less than 120°F or to meet the require-
ments of your local plumbing codes.
s4OADJUSTTHETEMPERATUREOFTHEWATER
coming out of the valve, pull the disc back to 
a position where it is possible to remove the 
Rotational Limit Stop and readjust the teeth 
engagement position to the desired tem-
perature. Clockwise will decrease the outlet 
temperature, counterclockwise will increase 
the outlet temperature. Temperature change 
per tooth (notch) could be 4° - 16°F based on 
inlet water conditions. Repeat as necessary. 
Push disc until fully seated.
WARNING: Failure to re-install Disc after 
setting Rotational Limit Stop could result 
in scald injury.
s-!+%352%#/,$7!4%2&,/73
FROM THE VALVE FIRST. MAKE SURE 
WATER FLOWING FROM THE VALVE  
AT THE HOTTEST FLOW POSSIBLE  
DOES NOT EXCEED 120°F OR THE 
MAXIMUM ALLOWED BY YOUR LOCAL 
PLUMBING CODE.
1st Position
Hotter
Rotational Limit Stop
Stem
Disc