Enviro EF3 User Manual

Installation

1.  Choose a stove location that is ideal.  See the section “D

ECIDING

 W

HERE

 

TO

 L

OCATE

 

YOUR

 P

ELLET

 A

PPLIANCE

.” 

Non-combustible

floor protection.

Existing floor

(combustible)

6"

(15 cm)

3" (7.5 cm)

clearance

Use wall thimble

or ceiling firestop

Rain cap

Flashing

24"

(61 cm)

3"

(7.5 cm)

Tee with

cleanout

Fresh air

intake

6"

(15 cm)

2.  Place  a  non-combustible  hearth 

pad where necessary.

3.  Place  the  unit  on  the  hearth  pad 

(if installed on a carpeted surface) 

and space the unit in a manner so 

when  the  pellet  vent  is  installed 

vertically,  it  will  be  3”  (7.6  cm) 

away from a combustible wall.

4.  Locate the center of the fresh air 

intake pipe on the unit. Match that 

center with the same point on the 

wall and cut a hole about 1 5⁄8” (41 

mm) in diameter.

5.  Install the fresh air intake pipe.
6.  Install the tee with clean out.
7. 

I

nstall  the  pellet  vent  upward 

from there.  When you reach the 

ceiling,  make  sure  that  the  vent 

goes through the ceiling fire stop.  

Maintain  a  3”  (7.6  cm)  distance 

to  combustibles  and  keep  attic 

insulation  away  from  the  vent 

pipe.  Maintain  an  effective  vapor 

barrier.

8.  Finally,  extend  the  pellet  vent  to 

go through the roof flashing.

9.  Ensure  that  the  rain  cap  is 

approximately  36”  (900  mm) 

above the roof.

To accomplish a outside vertical pipe installation, follow steps 1 through 5 in the “I

NSIDE

 V

ERTICAL

 I

NSTALLATIONS

 

- F

REESTANDING

” section and then finish it by performing the following (refer to Figure 28).

1.  Install a tee with clean out on the outside of the house.
2. Install PL vent upward from the tee. Make sure that you install support brackets to keep the vent 

straight and secure.

3. Install ceiling thimble and secure the flashing as you go through the roof.
4. Ensure that the rain cap is approximately 36” (91.5 cm) above the roof.

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