Modulex Light Commercial Series
CHAPTER 4: Installation Instructions
OMM-0158_A
• 6/28/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
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Reversing Cold/Hot Water Flow & Return Connections
Change of Water Flow and Return connections from RIGHT hand to LEFT hand requires
reversing connectors, moving the Flow and Return Temperture Sensors to other end, and
exchanging positions of the Boiler Sensor KF and Automatic Air Vent.
W A R N I N G !
Ensure that
gaskets
for ALL connections are reversed along with the connectors themselves.
4.8.3.1 Reversing Cold/Hot Water Flow & Return Piping Connectors
Refer to Figure 4-12 and reverse the connectors and end caps on Supply, Flow, and Return pipes.
Ensure that all gaskets are also reversed.
Move
end caps (and
gaskets) to other
end of
Flow/Return
pipes.
Move Boiler Sensor
KF (sensor only,
not the thermowell)
to the opposite side
and install into
thermowell under
the air vent. See
Figure 4-14.
NOTE:
Torque all bolts to 8.85 ft-lbs (12 N/m)
Move supply
connectors
(and
gaskets) to
other end of
Flow/Return
pipes.
Move Flow and Return
Sensors to other end of
pipes. See Figure 4-13.
Figure 4-11: Reversing Cold/Hot Water Flow and Return Connections and
Sensors from RIGHT HAND to LEFT HAND
