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Custom Installations
10
10
Venting Oval Kilns & Kilns Over 12 Cubic
On kilns over 12 cubic feet, and up to 24 cubic feet, you will need a Dual Intake Kit to vent the chamber using
two plenum cups. This is to ensure the proper amount of air is vented without overheating the ducting. For
oval kilns use the charts and diagrams below to drill the proper holes in the lid and slab. If the kiln is over 12
Cu. Ft, follow the instructions for installing an Envirovent 2 with a Dual Intake Kit.
For other kilns between 12 and 24 cubic feet contact the manufacturer before installing
Kiln Chamber Depth
Fourteen Sided
14"
Sixteen Sided
27"
16 Sided Kiln
Placement of holes in kiln floor
1.5"
1.5"
10.5"
10.5"
KM1627-3" kilns come with a fiber insert that sits on the slab of the kiln.
If your kiln was not predrilled in the factory you will need to cut holes in
these inserts to make sure the air flow is not restricted to the vent.
An 8 ft. length of flexible 3" diameter, aluminum ducting is supplied with your kit for installation. If the distance
from your kiln to the vent hole in the wall is greater than 2 ft. you may need additional ducting. This depends
on how high up the wall you are ducting and how much stretch you can get from your 3" flexible ducting.
When additional ducting is required you have several options.
Option 1
You may purchase one or more 8 ft. extension kits from Skutt or a Skutt Distributor. The kit comes with one 8 ft.
length of 3" flexible ducting, one 3" coupler, and two hose clamps. If you are going to vent the kiln further than
60 ft. or have 4 or more 90 degree bends, you will need to transition to 4" ducting no further than 8 ft. from the
plenum cup.
If it is necessary to step up to 4" ducting, we recommend you use PVC since it will not corrode and is relatively
inexpensive. A transition piece from 3" to 4" may be difficult to locate but is available through Skutt along with
the transition piece needed to go from the 4" PVC back down to the 3" motor mount. See the Accessories
Section for more details.
Option 2
If you prefer, you can transition directly from the 3" ducting to 4" PVC. Remember that you will need to pur-
chase the transition pieces from Skutt.
Drill This Many Holes In Slab
3
2 + 2
Placement of holes in kiln lid
4"
11"
11"
Additional Ducting Requirements
Drill This Many Holes In Lid
4
4
Placement of holes in kiln floor
10
Feet
Drill Bit Size
Kiln Cu/Ft
3/16"
6.7
1/4"
18.5
14 Sided Kiln
Placement of holes in kiln lid
11"
4"
11"
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