Brochure

Construction Features
Construction Features
2
Type B Gas Vent Systems Give You
These Important Advantages
Safety of the Hart & Cooley
®
system is assured by
the double-wall, air-insulated design and locking
joints. Properly installed, the vent cannot come apart
through vibration, and offers protection against vent
failure or fire hazard. Type B Gas Vent is designed
for negative pressure applications and flue gas
temperatures not exceeding 550° F for Category I
appliances.
Durability is the result of high-quality materials and
workmanship, with galvanized outer pipe and
aluminum inner pipe providing protection against
corrosion and external damage.
Simple installation is achieved with a complete line
of adjustable fittings and various lengths of pipe.
Curled ends lock together for stability and easy
assembly. A full set of installation instructions are
supplied with all caps and supports.
Deep Locking Groove assures
solid joint and secure lock.
3" to 12" inner
and outer pipe
curled together
as an integral unit.
Reinforced ends–
curled bead on end
of outer pipe for
rigidity and strength.
Locking band slides
over tabs easily,
locks firmly without
twisting. Locking
tabs hold pipe
securely together,
can be easily
unlocked.
Corrosion-resistant
aluminum inner wall
for rapid warm-up.
The 4RPX pipe is UL-listed
for installation in a 2x6 wall.
Galvanized steel outer pipe
for maximum protection.
Unique locking
band provides 360°
turning radius of the
pipe and fittings.
HART & COOLEY
®
B-VENT
complies with the latest
Underwriters Laboratories Standard No. 441
Positive Stop—provides proper
alignment and positive fit for
mating end of pipe or fitting.
This Product is Listed by
UNDERWRITERS LABORATORIES INC.
and Bears the Mark: