AERCO Modulex EXT 321 - 1123 - Manual (Page 45)

MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
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
3-21. 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 3-21: Connection of Flue Manifold To Boiler Exhaust Opening
For venting systems in the USA, it is necessary to assemble the Euro-to-USA adaptor to the flue manifold
as shown in Figure 3-22.
Figure 3-22: Assembly of USA-to-European 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.
OMM-0087_0E AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 45 of 148
GF-143 Phone: 800-526-0288 12/01/14