Section 2 (Large Diameter Model Bv - 10" To 30"); Ilustrations - DuraVent BV Installation Instructions Manual

Type B
Gas Vent
1" (25mm) Min.
Clearance
Secure
DuraConnect I
DuraConnect I
with a minimum
of 3 sheet metal to Water Heater
screws to collar
of draft hood
Gas Water Heater
If local codes specify use of a "drip tee", you
may incorporate a fixed or fixed wye or a tee
to make the connection to the Type B Gas
Vent (see Figure 28).
SECTION 2
MODEL BV LARGE DIAMETERS - 10" - 30"
NOTE: The following pages are additional
information for the installation of the Large
Diameter Type B Gas Vent Model BV.
Reference all requirements found through-out
these instructions.
See Figs. 29 to 31 of graphics illustratiing
the use of components required in the typical
installations of Model BV (10" to 30") .
20
Double Wall
if necessary,
Draft Hood
Fig. 28
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Fixed Wye
or Tee,
or can be
connected
directly to
the first
FIRESTOP
length of
SUPPORT PLATE
Type B
Gas Vent
Tee Cap
APPLIANCE
(BY OTHERS)
Fig. 29 - Type B Gas Vent - Single Appliance
FLASHING
45° ELBOW
90° ELBOW
Fig. 30 - Type B Gas Vent - Multiple Appliances
CAPPED
TEE
Fig. 31 - Type B Gas Vent - Multiple Appliances
CAP
STORM
COLLAR
FLASHING
PIPE
DRAFT HOOD
CONNECTOR
(10" to 18" ONLY)
CAP
STORM COLLAR
TEE
LISTED
APPLIANCE
(BY OTHERS)
CAP
FLASHING
PIPE
TEE
CAPPED TEE
APPLIANCES
(BY OTHERS)
with Manifold
FIRESTOP
SUPPORT
PLATE
PIPE
STORM COLLAR
FIRESTOP
SUPPORT
PLATE