Venting Installation, Chimney Pipe | Desa (V)JM36, WCM-36J, WCM-42J

Venting Installation

Optional Outside air Kit (Model ak4/ak4f)

The installation of an outside air kit should be performed during the rough framing of the fireplace due to the nature of it's location. Outside combustion air is accessed through a vented crawl space (AK4F) or through a sidewall (AK4).

CAUTION: Combustion air inlet ducts shall not terminate in attic space.

Secure to Collars with Metal Tape, Screws or Straps (Min. of 1/4" x 20" in size)

	Air Inlet
	Location
	Must Allow
	For Bushes
	or Snow
		Air Inlet
		Eyebrow
	Vented Crawl Space	Vent Hood
		Required for
	(Check Local Codes
		Wall Installation
	Before Installing in a

	Vented Crawl Space)

Figure 8 - Outside Air Kit

Chimney Pipe

The DESA Heating, LLC chimney system consists of 12", 18", 24", 36" and 48" snap- lock, double-wall pipe segments, planned for maximum adaptability to individual site requirements. Actual lengths gained after fitting overlaps must be taken into consider- ation (lineal gain) and are given in the lineal gain chart (see Figure 9). Lineal Gain is the actual measurable length of a part after two or more parts are connected. For Canada, use chimney parts designated "HT".

WARNING: The opening in the collar around the chimney at the top of the fireplace must not be obstructed.Neveruseblowninsula- tion to fill the chimney enclosure.

LINEAL GAIN

PART NO.	DESCRIPTION	GAIN
Georgian	Fireplace	66 1/2"
12-12DM	Pipe Section	10 5/8"
12-12HT	Pipe Section	10 5/8"
12-12HT
18-12DM	Pipe Section	16 5/8"
18-12HT	Pipe Section	16 5/8"
18-12HT
24-12DM	Pipe Section	23 5/8"
24-12HT	Pipe Section	23 5/8"
24-12HT
36-12DM	Pipe Section	34 5/8"
36-12HT	Pipe Section	34 5/8"
36-12HT
48-12DM	Pipe Section	46 5/8"
48-12HT	Pipe Section	46 5/8"
48-12HT
RLT-12D	Round Termination	7 3/4"*
RLT-12HT	Round Termination	7 3/4"*
RLT-12HT
STL-12D	Square Chase-Top	7" to 15"*
	with Slip Section

*The lineal gain for the terminations is mea- sured to the flue gas outlet height.

12" Galvanized

Outer Pipe

12 3/8"	Hemmed
Stainless	End
Stainless
Inner Pipe

Figure 9 - Lineal Gain

Assembly and installation of double wall chimney system

Each double wall chimney section consists of a galvanized outer pipe, a stainless steel inner flue pipe and a wire spacer. The pipe sections must be assembled independently as the chimney is installed. When connecting chimney directly to the fireplace, the inner flue pipe section must be installed first with the lanced side up. The outer pipe section can then be installed over 5 the flue pipe section with the hemmed end up. Press down on each pipe section until the lances securely engage the hem on the fireplace starter. The wire will assure the proper spacing between the inner and outer pipe sections.

Continue to assemble chimney sections as outlined above, making sure that both the inner and outer pipe sections are locked to- gether. When installing double wall snap-lock chimney together, it is important to assure the joint between the chimney sections is locked. Check by pulling chimney upward after locking. The chimney will not come apart

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(V)JM36, (V)JM50 SERIES, WCM-36J, WCM-50J, WCM-42J specifications

The Desa WCM-50J, WCM-36J, and WCM-42J are part of the (V)JM50 series and (V)JM36 series, renowned for their versatility and efficiency in various applications. These models are designed to meet the dynamic needs of modern users, providing reliable performance in multiple operating conditions.

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Overall, the Desa WCM-50J, WCM-36J, and WCM-42J, along with the (V)JM50 and (V)JM36 series, are ideal choices for those seeking advanced, efficient, and safe solutions in today’s competitive market. Their combination of innovative technology, user-friendly operation, and durability makes them a valuable investment for businesses aiming to enhance productivity and sustainability.

Desa (V)JM36, WCM-36J Venting Installation, Optional Outside air Kit Model ak4/ak4f, Chimney Pipe

Models: (V)JM36 (V)JM50 SERIES WCM-36J WCM-50J WCM-42J