Page 17
(b) Selected or fabricated in accordance with conditions and clearances as stated in NFPA-211 code. Any
unexposed metal that is used as part of a wall pass-through system and is exposed to flue gases shall be
constructed of stainless steel or other equivalent material that will resist corrosion, softening, or cracking
from flue gases at temperatures up to 1800
o
F.
In addition, a connector to a masonry chimney shall extend through wall to inner face or liner but not beyond. It
shall be firmly cemented to masonry.
Exception: A thimble may be used to facilitate removal of chimney connector for cleaning, in which case thimble
shall be permanently cemented in place with high temperature cement.
2. Once the through-the-wall thimble codes are met, simply connect chimney collar to wall pass-through
connector using #24 ga. minimum blued or black steel connector pipe as follows:
(a)
Maintain 1/4” rise per foot (horizontal length) from appliance to chimney.
(b) Connect each section so crimped end faces downward.
(c) Secure each section to each other using at least three (3) sheet metal screws or rivets.
(d) After securing New Buck Corporation Chimney Connector to heater secure pipe to connector with three
(3) screws or rivets.
D. Ceiling Exit-Close Clearance (Using Listed Close Clearance Pipe and 2100
o
HT Chimney System From
Approved Manufacturers List. ) (See page 18)
1. Suspend a plumb bob from ceiling
above unit so that weight is hanging
in the center of flue exit. (A small
weight on a string will serve as a
plumb bob. Mark ceiling where
string is suspended to locate center
of chimney hole.
2. After locating center of hole, install
ceiling support box, chimney,
flashing and rain cap.
3. Next, install a New Buck Corp-
oration Chimney Connector to flue
of the heater.
4. Connect listed chimney to heater and
follow pipe manufacturers
installation instructions exactly.
CEILING
CEILING SUP-
PORT BOX
SIMPSON DURA-
VENT TYPE
”DVL” DOUBLE
WALL CHIMNEY
CONNECTOR
NEW BUCK
CORP. CHIM-
NEY CON-
NECTOR
NOTE: SEE SIMPSON
DURA-VENT TYPE
“DP” CHIMNEY
INSTRUCTIONS FOR
INSTALLING CHIM-
NEY.
FIGURE 8
Summary of Contents for MODEL 20
Page 2: ......
