M&G DuraVent DuraStack® - Manual (Page 38)

38
Important
When solid fuel fired cooking appliances
are vented with Model DIS Grease Duct,
creosote and grease may buildup on the
inner flue. This mixture can result in an
unusually severe duct fire. To minimize fire
hazard, the duct should be inspected
weekly and any residue removed by
cleaning. Additional requirements for solid
fuel fired cooking appliances are outlined
in NFPA 96.
must be primed and painted. The paint
surface should be maintained regularly to
prevent possible deterioration of the casing
surface. The use of stainless steel outer casing
negates the need for painting. 2. When connected to an upblast fan (See
Figure 76), the plate mounts on top of the
fan curb which supports the fan housing.
3. The plate may be positioned off center
within the curb provided that minimum
clearance to combustibles is maintained.
4. In the event that the plate is positioned off
center, trim off excess plate material to allow
fan placement.
5. Secure the plate to the curb a minimum
of three (3) places per side with minimum #8
x 1-1/4” wood screws. You will have to drill
holes in the plate.
6. The fan housing is set on top of the
plate and sealed using P-650 sealant or
an approved gasket supplied by the fan
manufacturer.
7. Specify the chimney diameter and outside
curb dimensions when ordering the fan
adaptor plate.
8. The fan adaptor plate can be used as a
vertical support. The maximum height of
grease duct supported by the fan adaptor
plate is 15’ for all diameters.
WarnIng
DO NOT EXCEED THE MAXIMUM LOAD
LIMIT OF THE ROOF CURB OR THE ROOF.
maIntEnanCE
1. Grease duct is required by NFPA 96 and
many local building codes to be inspected
and cleaned if necessary at specific intervals.
2. DuraVent Model DIS Grease Duct must be
inspected and cleaned in accordance with
local requirements. It requires no additional
internal maintenance.
3. DuraVent recommends that grease
containers connected to drainage points be
emptied and washed out daily or more often,
if necessary. If needed, the drain nipples
should be checked and cleaned whenever
the containers are emptied.
4. Where the duct is installed outside the
building, the galvalum steel outer casing
Warranty
These products have a limited warranty.
Please read the warranty to be familiar with
its coverage. Retain this manual. File it with
your other documents for future reference.
proDuCt rEFErEnCE InFormatIon
Please contact DuraVent for the phone
number of your nearest DuraVent dealer
who will answer your questions or address
your concerns. Normally, all parts should be
ordered through your DuraVent distributor
or dealer. Parts will be shipped at prevailing
prices at time of order.
When ordering repair parts, always give the
following information:
1. The model number of the chimney system.
2. The part number.
3. The description of the part.
4. The quantity required.
5. The installation date of the chimney system.
If you encounter any problems or have any
questions concerning the installation or
application of this system, please contact
your dealer.