CEILING
COLLAR
3 SHEET METAL SCREWS
ROOF
3 SHEET METAL SCREWS OR RIVETS
Figure 105 |
| |
ATTIC |
| |
18" MIN. |
| |
CEILING | TEE BOX ASSEM. | |
| ||
CENTER LINE | CLEAN OUT ACCESS | |
OF ELBOW | ||
"TEE" BOX ASSEM. | ||
| WALL | |
WALL | MARK PLUMB LINE | |
| ||
FLOOR PROTECTOR |
|
Figure 11
B. Wall Exit Into Metal Tee-Box
1.Mark plumb line on wall directly behind center of heater. (See Figure 11).
NOTE: When using 24# ga. minimum blue or black steel pipe, maintain 18" between pipe and ceiling.
NOTE: Floor protector must be under horizontal pipe exit (See Figure 13. Page 19).
2. Place vertical portion of heater pipe and elbow in position and project a point onto plumb line level with center of elbow.
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