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GF40-2 Pellet Stove  |    3

VENT TERMINATION REQUIREMENTS

IT IS HIGHLY RECOMMENDED THAT YOUR PELLET STOVE BE INSTALLED BY AN AUTHORIZED DEALER/INSTALLER. 

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

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

Air Supply Inlet

Gas Meter

Restriction Zone

(Termination not allowed)

Termination Cap

G

G

Opens

Opens

Opens

D

F

B

B

A

I

H

K

G

G

L

C

E

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 FPI, we grant no guarantee against such incidents.

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

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) 

Beside/below any door or window that may be opened. (18” (46 cm) if outside fresh air 

installed.) 

C

12 in (30 cm)

Above any door or window that may be opened. (9” (23 cm) if outside fresh air 

installed.) 

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 m) above the meter/

regulator assembly

To each side of center line extended above natural gas or propane meter/regulator 

assembly or 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 

enclosed or semi-enclosed areas such 

as a carport, garage, attic, crawlspace, 

narrow walkway, closely fenced area, 

under a sun deck or porch, or any 

location that can build up 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.

Summary of Contents for Greenfire GF40-2

Page 1: ...mption will vary with the type of fuel used Model GF40 2 Heat Output BTUs 6 881 23 892 BTUs Emissions grams hr EPA Certified 0 54 grams hr Efficiency EPA HHV 80 2 Efficiency EPA LHV 87 4 Flue Size 3 7...

Page 2: ...se dimensions are minimum clearances but it is recommended that you ensure sufficient room for servicing routine cleaning and maintenance A Side wall to unit 8 inches 200 mm B Back wall to unit 5 5 in...

Page 3: ...ond the control of FPI we grant no guarantee against such incidents NOTE Venting terminals shall not be recessed into walls or siding Letter Minimum Clearance Description A 24 in 61 cm Above grass top...

Page 4: ...eople sleep in Outside fresh air is mandatory Secure outside air connections directly to fresh air intake pipe and secure with three screws evenly spaced CAUTION THE STRUCTURAL INTEGRITY OF THE MANUFA...

Page 5: ...ble with high temperature silicone 9 The pipe must extend at least 12 30 cm away from the building If necessary bring another length of pipe PL type to the outside of the home to connect to the first...

Page 6: ...allation to use if there is a concrete or retaining wall in line with exhaust vent on a pellet stove The termination must be 12 30 cm from the outside wall and 12 30 cm above the ground Figure 1 Venti...

Page 7: ...apor barrier 6 Finally extend the pellet vent to go through the roof flashing 7 Ensure that the rain cap is approximately 24 600 mm above the roof 1 Install a tee with clean out on the outside of the...

Page 8: ...e chimney Freestanding Hearth Mount Installation Combustible Floor Masonry Fireplace Rain Cap Steel Plate or Flashing Flexible or Rigid 6 Stainless Steel Liner 10 25 4 cm Mantel Minimum 8 20 cm from t...

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