1
INSTALLATION
INSTRUCTIONS
1" air Double Wall for Special Gas Vent
Category I, II, III, and IV Applications.
5” to 36” Diameter Vent for use on Positive, Neutral and Negative Pressures
up to 35” W.C.
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 accesso-
ries, 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
instructions 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 INSTALLA-
TION 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 IM-
PORTANCE THAT THIS VENT SYSTEM BE INSTALLED ONLY IN ACCORDANCE WITH
THESE INSTRUCTIONS
PI HYBRIDDAS1 L470 REV. 00 08-08-19
Listed to standards:
UL-1738
ULC-S636 Type ‘‘BH’’ vent
Report #
SAVE THESE INSTRUCTIONS
FOR FUTURE REFERENCE
MODEL DAS1-(BC) (5" TO 36")
