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4.
Cut the hole from the outside of the basin.
a.
Use a hole saw or a step drill bit for smaller connections 3" or less as shown in Figure 24.
b.
Use a reciprocating saw or a Sawzall
5.
Position the BAC supplied stainless steel backing ring gasket to the inside of the basin.
6.
Position the flange to the outside of the basin.
7.
Bolt the flange and the stainless steel backing plate together using stainless steel bolts.
8.
Seal any exposed galvanized steel of the connection inside the basin with Vulkem
Vertex™ Evaporative Condenser Operation & Maintenance Manual – Installation Instructions for Field Connections
for larger connections 3" or greater
®
Figure 24. Removal Material
Figure 25. Caulk Exposed Galvanized Steel
Caulk as shown in Figure 25.
®
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