8 boiler connections, 1 changing exhaust outlet location – AERCO Modulex EXT 321 - 1123 User Manual
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MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
3.8 Boiler Connections
At delivery, the MODULEX EXT boiler is setup with all connections, (i.e. cold/hot water flow &
return, gas, and exhaust outlet) on its RIGHT HAND side.
Changing Exhaust Outlet Location
3.8.1
To move the flue exhaust outlet terminal from the RIGHT HAND side (standard delivery
position) to the REAR position, it is necessary to request the Rear Exhaust kit (P/N 00364937),
which includes a cover for closing off the RIGHT HAND side panel exhaust opening (see Figure
3-9).
Figure 3-8: Rear Exhaust Kit (P/N
00364937) for
Changing Exhaust Outlet from RIGHT
HAND side to REAR on
EXT 802, 962, 1123 (only)
Rear flue
manifold kit
includes the
cover for the
right-hand
exhaust hole.
See Figure
3-9.
Page 32 of 148
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
OMM-0087_0E
12/01/14
Phone: 800-526-0288
GF-143