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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4.20 Flue Manifold Connection
To assemble the flue manifold to the boiler flue exhaust opening, retrieve the six (6) nuts and
washers from the plastic bag, shipped with the boiler, and affix to the boiler opening per Figure 4-
22. The Manifold may be installed on the left, front, or rear. If switching to left or rear positions,
the unused outlet should be covered with the plate and gasket removed from outlet being used.
Figure 4-20: Connection of Flue Manifold to Boiler Exhaust Opening
For venting systems in the USA, it is necessary to assemble the included European-to-American
adaptor to the flue manifold as shown below.
Figure 4-21: Assembly of European-to-American Flue Adaptor to Flue Manifold
GASKET
NUTS (6)
FLUE MANIFOLD
RECTANGULAR
GASKET
EUROPEAN-TO-USA
FLUE ADAPTER
FLUE MANIFOLD
GASKET
NOTE:
THE GASKET MAY
SEEM LARGE. IT IS
INTENTIONALLY DESIGNED
TO PROVIDE A TIGHT FIT.
