New Buck Corporation 20 Room Heater - Manual (Page 18)

(b) Selected or fabricated in accordance with the 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 the wall to the inner face or liner but not
beyond, and shall be firmly cemented to masonry.
Exception: A thimble may be used to facilitate removal of the chimney connector for cleaning, in which case the
thimble shall be permanently cemented in place with high temperature cement.
2. Once the through-the-wall thimble codes are met, simply connect the chimney collar to the 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 the appliance to the chimney.
(b) Connect each section so the 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 the
ceiling above the unit so that the
weight is hanging in the center of the
flue exit. (A small weight on a string
will serve as a plumb bob.) Mark the
ceiling where the string is suspended
to locate the center of the chimney
hole.
2. After locating the center of the hole,
install the ceiling support box,
chimney, flashing, and rain cap.
3. Next, install a New Buck Corp-
oration Chimney Connector to the
flue of the heater.
4. Connect listed chimney to heater and
follow pipe manufacturers
installation instructions exactly.
FIGURE 8
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.