Critical length of venting pipes, Terminal vent location – Drolet SIT 0.820.634 User Manual
Page 8
ULTRA FLAME DIRECT VENT GAS STOVE
7
Critical Length of Venting Pipes
The following table shows maximum length to be respected while
installing your appliance:
In conclusion:
• If you have no rise (Vertical run= 0 ft) :
The maximum horizontal run is 5 ft ;
• If you have a known horizontal run :
Minimum vertical run = Horizontal run – 5 ft ;
• If you have a vertical run shorter than 5 ft :
Maximum horizontal run = Vertical run + 5 ft.
• If you have a vertical run longer than 5 ft :
Maximum horizontal run = 10 ft.
Note : 1-90
O
elbow is equivalent to 5 ft of horizontal run ;
1-45
O
elbow is equivalent to 2,5 ft of horizontal run.
Terminal Vent Location
Your Ultra Flame stove vents through a vent terminal installed on the roof or on the outside of any exterior wall
of your house. Many restrictions apply to the vent terminal location that should be considered before locating
your stove. The following drawing presents a summary of most of these restrictions.
LEGEND
A.
12" Clearance above grade, veranda, porch, deck or balcony
B.
12" Clearance to window or door that may be opened
C.
12" Clearance to permanently closed window
D.
18" Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet (60 cm)
from the center-line of terminal (direct or corner installation)
24" Vertical clearance to ventilated soffit (Basement installation)
E.
12" Clearance to unventilated soffit, (straight out or corner installation)
24" Clearance to unventilated soffit, (Basement installation)
F.
12" Clearance to outside corner
G.
12" Clearance to inside corner
H.
36" clearance to each side of the centreline extended above the meter / regulator assembly to a maximum vertical
distance of 15ft (4.57M)
I.
36" clearance to service regulator vent outlet
J.
12" Clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance