GASLINE INSTALLATION
8CHIMNEY PIPE INSTALLATION PIPE INSTALLATION FIRESTOP SPACERS
GAS LINE INSTALLATION
Continued
WARNING: After ensuring that the gas valve is ON, test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once.
WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.
Note: An appropriate DESA hood (see Replacement and Accessory Parts, page 16) must be installed when using an unvented gas log set.
PIPE INSTALLATION
Place pipe assembly (inner and outer with wire spacer) over starter collar. Inner pipe(s) fit inside inner pipe(s). Outer pipe fits outside outer pipe.
Begin by aligning hemmed end of inner flue pipe into the inner starting
WARNING:Theopeningaroundthestartercollaron topofthefireplacemustneverbeobstructed.Neveruse blown insulation to fill the chimney enclosure.
CAUTION: When using a decorative appliance, the damper must be removed or permanently locked in the open position.
VENTING INSTALLATION
CHIMNEY PIPE INSTALLATION
The DESA chimney system is a
Hemmed Ends
15" (381mm) Galvanized Outer Pipe
12 3/8" (314mm) Stainless Inner Pipe Lanced Side Up
Each section of pipe comes in lengths of 12, 18, 36, and 48 inches, but the actual lineal gain for each is measured after each section is fully connected. Lineal gain is the actual measurable length of a part after two or more parts are connected.
MODEL NO. | DESCRIPTION | GAIN |
V3612ST | 52 3/4" | |
| Fireplace |
|
Flue Pipe | 46 5/8" | |
Flue Pipe | 34 5/8" | |
Flue Pipe | 22 5/8" | |
Flue Pipe | 16 5/8" | |
Flue Pipe | 10 5/8" | |
| Chase Style | 1" to 12" |
| Termination |
|
| Round Top Termination | 7" |
Figure 16 - Pipe Connection
FIRESTOP SPACERS
Firestop spacers are required at each point where the chimney penetrates a floor or ceiling joist space. Their purpose is twofold. They establish and maintain the required clearance between the outer pipe and combustible materials, they also serve as a shield between floors as required by most codes.
When penetrating a floor or ceiling at an angle, use firestop spacer number 30
When the pipe passes through a framed opening into a living space above, a firestop must be placed on the ceiling below (see Figure 17, page 9). When the pipe passes through a framed opening into an attic space above, a firestop must be placed on the attic floor above (see Figure 18, page 9).
For more information, visit www.desatech.com