Instructions / Assembly

®
System 1738 Installation Methods2
Supplemental information – DO’S and DON’TS
Refer to the contents of this guide for complete
instructions and guidelines.
CAUTION
DO’s
• Read the appliance and vent manufacturer’s installation
instructions and install product accordingly
• Follow recommended safe work practices
• System 1738 may only be used for venting categories II and
IV appliances generating a maximum flue gas temperature
of 149
o
F (65
o
C)
• Make certain that fire-stop materials are compatible with
System 1738 product
• Keep pipe and fittings clean and in original packaging until
needed
• If pipe and fittings are stored outdoors, cover with a well-
ventilated white tarp and never store other products on
top of pipe
• Follow handling and storage procedures found in this guide
• Only use tools, on System 1738 pipe and fittings, as
described in this guide
• Use a drop cloth to protect interior finishes
• Cut the pipe ends squarely
• Deburr and bevel the pipe end with a chamfering tool
before solvent welding
• Check joint and seams for gas tightness
• Slowly rotate the pipe a quarter turn when inserting pipe in
fitting socket when solvent welding
• Avoid puddling of solvent cement in fittings and pipe
• Ensure excess primer and solvent cement does not run
inside pipe and fittings
• Follow System 1738 recommended set times found in this
guide before commissioning the vent system
• Allow for movement due to expansion and contraction
• Only use products listed to UL 1738 for venting or
combustion gases.
• Contact Local Building or Fire Officials about restrictions
and installation inspection in your area.
• Always adhere to local jobsite and workplace safety
regulations.
DON’Ts
• DO NOT mix pipe, fitting or joining methods from
different manufacturers
• DO NOT use solvents or cements other than what
is required by this guide
• DO NOT install adhesive tape, insulated wire, or
cable in direct contact with System 1738 product
• DO NOT use solvent cement that has exceeded
its shelf life or has become discolored or jelled
• DO NOT drill System 1738 pipe
• DO NOT use solvent cement near sources of heat
or open flame, or when smoking
• DO NOT subject vent system to compressed air
• DO NOT cut pipe with dull or broken cutting-tool
blades
• DO NOT use ratchet cutters or reciprocating saw
to cut pipe
• DO NOT use System 1738 product that’s been
stored unprotected outdoors and is faded in
color
• DO NOT allow threaded rod to come in contact
with the pipe; for example, threaded rods used to
connect pipe hangers
• DO NOT use PVC/CPVC pipe and fittings listed for
plumbing applications for venting of combustion
gases