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B. Wall Exit into Metal Tee-Box
1. Mark the plumb line on the wall directly
behind the center of the heater. (See
Figure 6)
2. Place the vertical portion of the heater
pipe and the elbow in position and
project a point onto the plumb line level
with the center of the elbow.
3. Measure up so there will be at least 1/4”
rise per foot of horizontal connector
pipe, maintaining clearances to the
ceiling as noted in Figure 6. This will
give you the center of the hole for the
chimney penetration.
4. After locating the center of the
penetration, install the tee-box and
chimney or chimney connector as per the
chimney manufacturer’s specifications
and local building codes for installation
through combustible walls or ceilings.
FIGURE 6 FLUE EXIT
5. Connect the chimney collar to the tee-box using #24 ga. minimum blued or black steel connector pipe. DO
NOT USE GALVANIZED PIPE. Connect each section so the crimped end faces downward, and secure each
section to each other using at least three (3) steel sheet metal screws or rivets.
6. After securing New Buck Corporation Chimney Connector to heater, secure pipe to connector with three (3)
screws or rivets.
C. Wall Exit Into Masonry (Using Single
Wall Pipe)
Before connecting the Model 20 to a
masonry chimney, determine that the
masonry fireplace wall pass-through
connector thimble meets the NFPA-211 code
and local building codes and is a minimum of
18” from the ceiling. If the connector thimble
does not meet these codes, the pass-through
connector must be modified. NOTE: Follow
chimney or chimney connector
manufacturer’s instructions.
Connectors may pass through walls or parti-
tions constructed of combustible material if
the connector is:
(a) Either listed for wall pass-through or
is routed through a device listed for
wall pass-through and is installed in
accordance with the conditions of
the listing
FIGURE 7 FLUE GAS EXIT INTO
MASONRY CHIMNEY
CHIMNEY
PASS-THROUGH
CONNECTOR