Security Chimneys secure pellet, Installation Instructions Manual

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B.  Visually inspect with a flashlight the 

condition of the interior of the chimney 

for cleanliness and structural integrity.  All 

evidence of soot and creosote must be 

removed from the existing chimney system.  

If you doubt your ability to accomplish this, 

contact a certified chimney sweep. Do not 

use chemical cleaners, as these can possibly 

damage the inside of the chimney.  Do any 

required maintenance on the existing chimney 

system at this time.

C.  Install an approved Chimney Adapter in the 

existing Ceiling Support Box.

D.  Connect the appropriate size Chimney 

Adapter to corresponding Secure Pellet Vent / 

Chimney Adapter.

E.  Connect the appliance to the Chimney 

Adapter using an Appliance Adapter, lengths 

of pipe as required, and an Adjustable Length 

pipe. Slide the Adjustable Length down over 

the top pipe section, position the installation 

vertically plumb, then slip the Adjustable 

Length up and twist lock it to the Chimney 

Adapter.  Once all the components are firmly 

seated and properly aligned, carefully drill 

three 1/8” diameter holes through the outer 

sleeve only in the center of the slots located 

at the bottom of the Adjustable Length pipe.  

Do not penetrate the inner liner.  Use (3) 

1/4” length sheet metal screws to secure the 

Adjustable Length pipe.  

INSTALLATION INTO A MASONRY 

FIREPLACE

1. Have the masonry chimney inspected 

by a certified chimney sweep or installer to 

determine its structural condition. 

2. Carefully read the pellet stove or insert 

installation instructions.

Figure 18

Figure 19

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