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Modulex EXT Vent and Combustion Air Application Guide
TAG-0054_0F
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page 7 of
28
GF-136–V
Phone: 800-526-0288
09/25/2017
1.4.3.
Flue Exhaust Piping Starter Pieces
Table 1 lists the exhaust vent adaptors available for each Modulex EXT model. Instructions for
assembling the vent adaptors are in Chapter 3.
TABLE 1: EXT Vent Adaptors
BOILER MODELS
DIAMETER
MATERIAL
KIT PART NUMBER
EXT
321, 450, 481
4”
Stainless Steel
Contact vent manufacturer directly
Polypropylene
P/N 39006-1 (for Duravent PolyPro.
For other brands, contact manufacturer
directly.
PVC
P/N 49051 (included)
EXT
600 – 1123
6”
Stainless Steel
Contact vent manufacturer directly
Polypropylene
P/N 39006-2 (for Duravent PolyPro.
For other brands, contact manufacturer
directly.
PVC
P/N 49050 (included)
EXT
1500, 1530, 1912
10”
Stainless
Contact vent manufacturer
Polypropylene
Contact vent manufacturer
PVC
58115-1
EXT
2295 – 3060
12”
Stainless
Contact vent manufacturer
Polypropylene
Contact vent manufacturer
PVC
58115-2
While the MLX EXT 1500 – 3060 are approved for use with PVC venting, this option can be
extremely heavy and expensive. AERCO strongly recommends Polypropylene or Stainless Steel
venting for these models.
FOR EXT MODELS 1500 – 3060
FOR EXT MODELS 321 – 1123
Figure 3: Flue Piping Starter Pieces
ADAPTER
CONNECTOR
BOLTS
WASHERS
WORM-DRIVEN
HOSE CLAMP
ADAPTER
GASKET