MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
Page 20 of 146 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0087_0F
07/13/15 Phone: 800-526-0288 GF-143
Figure 2-3b: MODULEX EXT Main Components (Right Side View)
• Exhaust and condensate evacuation connections: are on the RIGHT
HAND side (supply condition), but may be moved to the RIGHT HAND or
REAR positions.
• Air intake connection: located on the LEFT HAND side.
• Cold/Hot flow connection: on the RIGHT HAND side (supply condition), but
may be moved to the LEFT HAND position.
• Cold/Hot return connection: on the RIGHT HAND side (supply condition) ,
but may be moved to the LEFT HAND position.
• Gas connection: on the RIGHT HAND side (supply condition) , but may be
moved to the LEFT HAND position.