Thermal Solutions AMP 1000 Installation, Operation And Maintenance Manual page 29

VII. Venting (continued)
Extend vent/combustion air piping to maintain
minimum vertical ('X') and minimum horizontal ('Y')
distance of 12 in. (300 mm) [18 in. (460 mm) Canada]
from roof surface. Allow additional vertical ('X')
distance for expected snow accumulation.
Vent pipe minimum clearance to combustible
material is 1in. (25mm). combustion air pipe
minimum clearance to combustible material is
zero.
COMBUSTION AIR TERMINAL
24in. (610mm) MAX
TO WALL (TYP)
Figure 8: Horizontal Sidewall Termination
BRACE
(IF REQUIRED)
Figure 7: Slopped Roof Termination
VENT TERMINAL
12in. (305mm) MIN. ABOVE
GRADE + HIGHEST
ANTICIPATED
SNOW LEVEL
24 in. (610mm) MIN
12in. (305mm) MIN.
ABOVE COMBUSTION
AIR TERMINAL
VENT TERMINAL
24 in. (610mm) MIN
Figure 9: Vertical Roof Termination
29
VENT TERMINAL
COMBUSTION AIR
TERMINAL
STORM COLLAR
FLASHING
COMBUSTION AIR
TERMINAL
12in. (305mm) MIN.
ABOVE HIGHEST
ANTICIPATED SNOW
LEVEL