Vertical Thru the Roof Installation

	MAX.
	8 FEET
	2438mm
45¡
	40 FEET
MAX.	(12.2m)
8 FEET
2438mm
	45¡
TYPICAL OFFSET INSTALLATION
	Fig. 28

TYPICAL 7DVCS

APPLICATION

Fig. 29

TYPICAL ROOF

SUPPORT

APPLICATION

Fig. 30

1.Locate your fireplace.

2.Plumb to centre of the (4") collar from ceiling above and mark position.

3.Cut opening equal to 9-3/8" x 9-3/8" (240 mm x 240 mm).

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 a minimum of 9-3/8" x 9-3/8" (240 mm x 240 mm).

5.Place firestop(s) 7DVFS into position and secure. (Fig. 32)

6.Install roof support (Fig. 30) and roof flashing making sure upper flange of flashing is below the shingles. (Fig. 33)

7.Install appropriate pipe sections until above the flash- ing. (See Fig. 31 for #'s 7, 8 and 9).

8.Install storm collar and seal around the pipe.

9.Add additional vent lengths for proper height.

10.Apply high temperature sealant to 4" and 7" collars of vent termination and install.

		VENT TERMINATION
		STORM COLLAR
	ROOF	ROOF FLASHING
	ROOF	2' Min.
		2' Min.
		ROOF SUPPORT
	ATTIC INSULATION
		CEILING JOISTS
		JOISTS
	40 FEET	ATTIC INSULATION
	(12.2m)	ATTIC INSULATION
	(12.2m)	SHIELD
		TYPICAL STRAIGHT-UP INSTALLATION
		Fig. 31

Clearance above a roof shall extend a minimum of 24" (610mm) above the highest point when it passes through the roof surface, and any other obstruciton within a horizontal dis- tance of 18" (450mm).

- 15 -

Attic
Insulation
Shield	11"
		JOIST
Ceiling	11"	UPPER FLOOR
Installation		UPPER FLOOR
Installation
		JOIST

FIRESTOP

SPACER

NAILS (4)

Fig. 32

Fig. 32 If there is a 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. 33. The enlarged ends of the vent section always face downward.

SHEETMETAL SCREWS (#5) Ñ

3 PER JOINT

SEALANT

STORM

COLLAR

Fig. 33

BHDT36 specifications

The Vermont Casting BHDT36 is a standout in the world of gas fireplaces, known for its combination of classic design and cutting-edge technology. This direct vent gas hearth system is perfect for homeowners seeking both aesthetic appeal and efficient heating solutions.

One of the defining features of the BHDT36 is its expansive viewing area. With a large, picture-window front design, it allows for an unobstructed view of the mesmerizing flames, creating a captivating focal point in any living space. The fireplace is available in multiple finishes, which can easily complement various home décors, from rustic to modern.

The BHDT36 is equipped with Vermont Castings' innovative burner technology, which produces a radiant heat output. This design ensures that warmth circulates effectively, providing consistent heating throughout the room. The fireplace has an impressive heat output of up to 36,000 BTUs, making it suitable for substantial heating needs.

Efficiency is a priority for the BHDT36, which boasts an impressive 78% efficiency rating. This means homeowners can enjoy a significant reduction in energy costs while still enjoying the ambiance of a roaring fire. The direct vent system enhances efficiency further by drawing air from outside, ensuring that indoor air quality remains intact and that combustion is more complete.

Control options are another notable feature of the BHDT36. It comes with a remote control, enabling users to adjust the flame height and heat output with ease, without leaving the comfort of their seating area. The electronic ignition system ensures that starting the fireplace is simple and reliable, requiring minimal effort from the user.

For those who appreciate eco-friendly options, the BHDT36 can be outfitted with an optional natural gas converter, allowing for flexibility in fuel choice.

In terms of safety, the Vermont Casting BHDT36 meets all required safety standards, providing peace of mind to homeowners. The unit also features a built-in safety shutoff valve, automatically turning off the gas supply in case of an irregularity.

In summary, the Vermont Casting BHDT36 combines elegance, efficiency, and modern technology, making it an excellent choice for anyone seeking to enhance their home with a beautiful and functional gas fireplace. Its thoughtful design and features ensure that it can serve as the heart of the home for years to come.

Vermont Casting BHDT36 installation instructions Vertical Thru the Roof Installation

Models: BHDT36