Max.

8’

(2.4m)

45°

 

Typical

 

40’

Ceiling

 

Support

Max.

(12m)

 

Application

8’

 

(2.4m)

 

 

 

45°

 

Typical Roof

Support Ap-

plication

Typical Offset Installation

FP1021

Fig. 34 Typical vertical roof applications.

Vertical Through-the-Roof Installation

1.Locate your fireplace.

2.Plumb to center of the (4”) flue collar from ceiling above and mark position.

3.Cut opening equal to 9³⁄” x 9³⁄” (240 x 240mm).

4.Proceed to plumb for additional openings through the roof. In all cases, the opening must provide a minimum of 1 inch clearance to the vent pipe, i.e., the hole must be at least 9³⁄” x 9³⁄” (240 x 240mm).

5.Place fireplace into position.

6.Place firestop(s) #7DVFS or Attic Insulation Shield #7DVAIS into position and secure. (Fig. 35)

7.Install roof support (Fig. 36 & 37) and roof flashing making sure upper flange is below the shingles. (Fig. 36)

8.Install appropriate pipe sections until the venting is above the flashing. (Fig. 36)

9.Install storm collar and seal around the pipe.

10.Add additional vent lengths for proper height. (Fig 38)

11.Apply high temperature sealant to 4” and 7” collars of vertical vent termination and install.

LDVR Series Direct Vent Gas Fireplace

Attic Insulation

Shield

Joist

Ceiling Instal-

 

 

lation

 

11"

 

11"

Upper Floor

 

 

 

 

Joist

 

 

Firestop Spacer

 

 

Nails (4)

 

 

CFM100

Fig. 35 Place firestop spacer(s) and secure.

If there is room above ceiling level, firestop spacer must be installed on both the bottom and the top side of the ceiling joists. If an attic is above ceiling level a 7DVAIS (Attic Insulation Shield) must be installed. (Fig. 35)

The enlarged ends of the vent section always face downward. (Fig. 36)

3 #5 Sheet Metal Screws per Joint

Sealant

Storm Collar

TWL101a

Fig. 36 Roof flashing.

10007317

19

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Vermont Casting 36LDVR, 43LDVR, 39LDVR, 33LDVR Vertical Through-the-Roof Installation, Typical vertical roof applications

36LDVR, 33LDVR, 39LDVR, 43LDVR specifications

Vermont Castings has long been synonymous with quality craftsmanship and innovation in the field of heating appliances, particularly in the category of wood and gas stoves. Among their remarkable offerings, the 33LDVR, 39LDVR, 43LDVR, and 36LDVR models stand out, each with unique features that cater to a variety of user needs.

The 33LDVR model features a classic design that complements any space while providing efficient heating. With a maximum output of 15,000 BTUs, it is perfect for smaller rooms. One of its main characteristics is the built-in catalytic combustor, which enhances fuel efficiency and reduces emissions. This model also includes a convenient glass door that allows for a beautiful view of the flames, creating a warm ambiance.

Moving up in size, the 36LDVR offers an increased heating capability of up to 25,000 BTUs. This model retains the same elegance and durability as the 33LDVR, constructed from high-quality cast iron. The 36LDVR is equipped with Vermont Castings’ signature dual combustion system, which maximizes fuel efficiency and minimizes smoke. Additionally, the oversized door enhances visibility while maintaining a robust heat output.

The 39LDVR boasts a larger firebox, providing increased heat capacity and longer burn times. It can accommodate logs up to 18 inches long, making it ideal for those who appreciate long-lasting fires. This model also features a patented top-loading capability, which simplifies the refueling process without interrupting heat output. The advanced air control system allows users to fine-tune the burn rate, enhancing efficiency and managing heat distribution effectively.

Finally, the 43LDVR is the powerhouse of the lineup, with an impressive heating capacity of up to 40,000 BTUs. This model is designed for larger spaces, providing superior heat retention and distribution. It features Vermont Castings' innovative refractory lining, which improves heat retention and provides a longer-burning effect. The 43LDVR also includes a state-of-the-art fan system that promotes consistent warmth throughout the room, ensuring comfort even in the coldest weather conditions.

All four models incorporate Vermont Castings' commitment to environmentally responsible heating, with advanced technology that reduces emissions while maximizing efficiency. The aesthetic design, combined with practical features, makes these units a popular choice for homeowners looking to enhance their living spaces with reliable heating solutions. Whether for ambiance or effective heating, the 33LDVR, 36LDVR, 39LDVR, and 43LDVR models truly exemplify the quality and craftsmanship that Vermont Castings is known for.