Gas-Fired Direct Vent Cast Iron Boilers – Field Assembly Instructions
14
Step 29
Install the burner
Make sure the silicone sealant is continuous. Failing to provide a complete seal could result in the leakage of
combustion gases.
Use of an approved dust
respirator is strongly
recommended when handling
the insulating components of
the boiler.
1. Carefully place the burner on top of the
burner gasket.
2. Apply a generous bead of silicone
sealant completely around the outer
edge of the burner.
Step 30
Install the burner fl ange
Make sure the silicone sealant is continuous. Failing to provide a complete seal could result in the leakage of
combustion gases.
Use of an approved dust
respirator is strongly
recommended when handling
the insulating components of
the boiler.
1. Carefully align the burner fl ange on top
of the burner.
2. Apply a generous bead of silicone
sealant completely around the fl ange,
about 1 inch inside the bolt notches.
Step 31
Install the manifold
Make sure the silicone sealant is continuous. Failing to provide a complete seal could result in the leakage of
combustion gases.
Use of an approved dust
respirator is strongly
recommended when handling
the insulating components of
the boiler.
1. Carefully align the manifold (with the
blower fl ange toward the front of the
boiler) and lower onto the boiler.
2. Hold the manifold securely in place
while installing the retainer bolts.
3. Install bolts in all slots around the
manifold fl ange.
4. Work from the center out on the sides
and ends to prevent buckling.
5. If necessary, use padded clamps to pull
the manifold edge down enough to
place the bolts and washers.
6. The jacket rear panel can be slid out of
the way during this process if necessary
for access to bolts.
