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CONNECTION OF CHIMNEY CONNECTOR TO A MASONRY CHIMNEY WHEN CHINEY CONNECTOR
DOES NOT PASS THROUGH A COMBUSTIBLE WALL
PART E - (Figure 8)
In addition to the methods shown by A, B, C, and D of Figure 8, a listed factory-built wall pass-through system
may be purchased and installed according to the instructions packaged with it to provide a safe method of
passing chimney connector through a combustible wall for a connection to a masonry chimney.
If the chimney connector does not have to pass through a combustible wall to get to a masonry chimney, simply connect
the chimney connector directly to the masonry chimney's chimney thimble as described and shown by parts C and D of
Figure 8. Remember, the chimney connector should extend into the chimney thimble to the innerface of the chimney flue
but not beyond; if the chimnney connector is extended through the chimney thimble into the chimney flue, resistance to
the flow of smoke and gases up the chimney will occur; that flow resistance will have an adverse affect on the operation
and performance of the heater and venting system.
PART B
FIGURE 8 -
(FIGURE 8 CONTINUED)
AIR SPACE
9 IN. MINIMUM
FACTORY-BUILT
CHIMNEY LENGHT
SHEET STEEL SUPPORTS
CHIMNEY SECTION
CHIMNEY
CONNECTOR
AIR SPACE
2 IN.
TWO VENTILATED AIR
CHANNELS EACH 1 INCH.
CONSTRUCED OF
SHEET STEEL.
PART C
FIGURE 8
PART D
FIGURE 8
MASONRY CHIMNEY CONSTRUCTED
TO NFPA 211
SHEET STEEL SUPPORTS
(24 GAUGE MIN. THICKNESS)
CHIMNEY CONNECTOR
TO HEATER
MINIMUM CHIMNEY CLEARANCES FROM MASONRY TO
SHEET STEEL SUPPORTS AND COMBUSTIBLES 2 IN.
MINIMUM 6 IN. GLASS
FIBER INSULATION ALL AROUND
24 GAUGE
VENTILATED THIMBLE WITH
TWO 1 INCH AIR CHANNELS
CHIMNEY THIMBLE
CHIMNEY FLUE
MINIMUM CHIMNEY CLEARANCES FROM MASONRY TO
SHEET STEEL SUPPORTS AND COMBUSTIBLES 2 IN.
CHIMNEY LENGHT
FLUSH WITH INSIDE
OF FLUE
NONSOLUBLE
REFACTORY
CEMENT
MASONRY CHIMNEY CONSTRUCTED
TO NFPA 211
CHIMNEY CONNECTOR
TO HEATER
MINIMUM CLEARANCE
9 IN. ALL AROUND
SHEET STEEL SUPPORTS
(24 GAUGE MIN. THICKNESS)
CHIMNEY FLUE
SOLID INSULATED, LISTED
FACTORY-BUILT CHIMNEY LENGHT
USE CHIMNEY MFRS. PARTS TO
ATTACH CONNECTOR SECURELY
AIR SPACE
CHIMNEY CONNECTOR
TO HEATER
SOLID INSULATED, LISTED
FACTORY-BUILT CHIMNEY
LENGHT (12 IN. LONG MIN.)
MINIMUM CLEARANCE
2 IN. ALL AROUND
CHIMNEY THIMBLE
1 IN. AIR SPACE TO
CHIMNEY LENGHT
MASONRY CHIMNEY CONSTRUCTED
TO NFPA 211
SHEET STEEL SUPPORTS
(24 GAUGE MIN. THICKNESS)
CHIMNEY FLUE
MINIMUM CHIMNEY CLEARANCES FROM MASONRY TO
SHEET STEEL SUPPORTS AND COMBUSTIBLES 2 IN.
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