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Revision date: 03.21.18
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PREPARE TANKS FOR BULKHEAD FITTINGS
Prepare Tanks & Install Fittings
Required tools & materials:
• 2-1/4", 2-1/2", & 3" Hole Saw Bits;
• Battery-Powered Drill (recommended)
• Tape Measure and Marker
• Sandpaper to smooth hole edges.
• Thread Sealant (113387)
Locate the tanks and drill holes for bulkhead fittings in locations shown.
Complete these steps to prepare tanks:
1. Using tank diagrams (lower-right) and the correct hole saw bit, drill a hole in
the center of each tank bottom.
Verify hole saw bit size before drilling!
ATTENTION:
Drill a 2-1/4" hole in bottom of the
125 gallon tank to install the 1" bulkhead fitting.
Drill a 3" hole in bottom of each 15 gallon tanks to
install 1-1/2" bulkhead fitting.
Top View — 125 Gallon Tank
2-1/4" Hole
Top View — 15 Gallon Tank
3" Hole
2. After drilling each hole, take a piece of light sandpaper and smooth edges to
remove shavings.
3. Remove tank shavings from tank after drilling holes.
*Shows a different tank.
Conical Tank