Enviro 50-1221 technical manual Crawlspace, narrow Walkway Closely

Installation

VENT TERMINATION REQUIREMENTS:

IT IS RECOMMENDED THAT YOUR PELLET STOVE BE INSTALLED BY AN AUTHORIZED DEALER/INSTALLER. Table 1: Use in conjunction with Figure 6 for allowable exterior vent termination locations.

Letter	Minimum Clearance	Description
A	24 in (61 cm)	Above grass, top of plants, wood, or any other combustible materials.
B	48 in (122 cm)	From beside/below any door or window that may be opened.
C	24 in (61 cm)	From above any door or window that may be opened.
D	24 in (61 cm)	To any adjacent building, fences and protruding parts of the structure.
E	24 in (61 cm)	Below any eave or roof overhang
F	12 in (30 cm)	To outside corner.
G	12 in (30 cm)	To inside corner, combustible wall (vertical and horizontal terminations).
H	3 ft (91 cm) within a height of 15 ft (4.5	To each side of center line extended above natural gas or propane meter/regulator assembly or
	m) above the meter/regulator assembly	mechanical vent.
I	3 ft (91 cm)	From any forced air intake of other appliance
J	12 in (30 cm)	Clearance to non-mechanical air supply inlet to building, or the combustion air inlet to any appliance.
K	24 in (61 cm)	Clearance above roof line for vertical terminations.
L	7 ft (2.13 m)	Clearance above paved sidewalk or paved driveway located on public property.

1. Do

not

terminate

the

vent

in

any

K

G

enclosed

or

semi-

enclosed

areas

such

as a carport,

E

garage,

attic,

D

Opens

B

C

G

crawlspace, narrow

F

G

walkway,

closely

Opens

B

A

I

L

fenced area, under

Opens

a sundeck or porch,

Termination Cap

Gas Meter

H

or

any

location

Air Supply Inlet

G

Restriction Zone

(Termination not allowed)

that

can

build

up

Figure 6: Use in conjunction with Table 1 for allowable exterior vent termination locations.

a concentration

of

fumes such as stairwells, covered breezeway, etc.

2.Vent surfaces can become hot enough to cause burns if touched by children. Non-combustible shielding or guards may be required.

3.Termination must exhaust above the inlet elevation. It is recommended that at least five feet of vertical pipe be installed outside when the appliance is vented directly through a wall, to create some natural draft to prevent the possibility of smoke or odor during appliance shut down or power failure. This will keep exhaust from causing a nuisance or hazard from exposing people or shrubs to high temperatures. In any case, the safest and preferred venting method is to extend the vent through the roof vertically.

4.Distance from the bottom of the termination and grade is 12” (30 cm) minimum. This is conditional upon the plants and nature of grade surface. The exhaust gases are hot enough to ignite grass, plants and shrubs located in the vicinity of termination. The grade surface must not be lawn.

5.If the unit is incorrectly vented or the air to fuel mixture is out of balance, a slight discoloration of the exterior of the house might occur. Since these factors are beyond the control of Sherwood Industries Ltd, we grant no guarantee against such incidents.

NOTE: Venting terminals can not be recessed into walls or siding.

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