INSTALLATION
INSTRUCTIONS
Single Wall or Double Wall AL29-4C® or 316L
Special Gas Vent for Category I, II, III and IV
TYPE L VENT Low Temperature Venting System (3” to 24”)
3” to 36” Diameter Vent for use on Positive, Neutral and Negative Pres-
sures up to 35” W.C.
Also for venting listed gas or oil fired appliances listed for venting with
TYPE L low temperature venting system (DSD-DSID ONLY 3” to 24”)
MODEL DuraSeal®
DS-DSD-DSID (3” to 24”)
DSLS-DSLD (26” to 36”)
This installation manual will enable you to obtain a safe, efficient and dependable
installation of this vent system. Please read and understand these instructions
before beginning your installation.
Do not alter or modify the components of this chimney system under any circum-
stances. Any modification of alteration of the vent system or approved acces-
sories, including but not limited to the appliance it is connected to, may void the
warranty, listings and approvals of this system and could result in an unsafe and
potentially dangerous installation.
A. Examine all components for possible shipping damage prior to installation.
B. Proper joint assembly is essential for a safe installation. Follow these instruc-
tions exactly as written: Check severeness of joints upon completion of
assembly.
C. This venting system must be free to expand and contract. This venting system
must be supported in accordance with these instructions.
D. Check for unrestricted vent movement through walls, ceilings, and roof
penetrations.
E. Different manufacturers have different joint systems and adhesives. Do not mix
pipe, fittings, or joining methods from different manufacturers.
WARNINGS
FAILURE TO FOLLOW THESE INSTALLATION INSTRUCTIONS COULD CAUSE
FIRE, CARBON MONOXIDE POISONING, OR DEATH. IF YOU ARE UNSURE OF
INSTALLATION REQUIREMENTS, CALL THE PHONE NUMBER LISTED ON THE
BACK OF THESE INSTRUCTIONS.
A MAJOR CAUSE OF CHIMNEY RELATED FIRE IS FAILURE TO MAINTAIN
REQUIRED CLEARANCES (AIR SPACES) TO COMBUSTIBLE MATERIALS. IT IS
OF UTMOST IMPORTANCE THAT THIS VENT SYSTEM BE INSTALLED ONLY IN
ACCORDANCE WITH THESE INSTRUCTIONS
MODEL DS
MODEL DSD
MODEL DSID
MODEL DSLS
MODEL DSLD
PI DuraSeal L474 REV.02 07-14-17
Listed to standards:
UL-1738
ULC-S636 Type ‘‘BH’’ vent
UL-641
(DSD/DSID ONLY)
ULC-S609
(DSD/DSID ONLY)
Report # G100215896MTL-006
SAVE THESE INSTRUCTIONS
FOR FUTURE REFERENCE
