Desa (V) CB36(N Installation Precautions Venting Installation, Typical B-Vent Configuration

INSTALLATION PRECAUTIONS

7VENTING INSTALLATION

INSTALLATION PRECAUTIONS VENTING INSTALLATION

NOTICE: Failure to follow these instructions will void the warranty.

•Wear gloves and safety glasses for protection

•Use extreme caution when using ladders or when on roof tops

•Be aware of electrical wiring locations in walls and ceilings

The following actions will void the warranty on this product:

•Installation of any damaged venting component

•Unautorized modification of the venting system (Do not cut or alter vent components)

•Installation of any component part not manufactured or ap- proved by DESA.

•Installation other than as instructed by these instructions

WARNING: Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life.

WARNING: B-type vent pipe airspace clearance to combustibles is 1” on all sides. Where the vent pipe passes through a vertical wall a listed thimble approved for use with B-type vent must be used.

A 4" B-type venting system must be connected to the appliance for venting to the outside of the building.

The following section is provided as a guide to install a standad B-type vent installation.

Standing codes requirements concerning B-type vent installations may vary within your state, province or local codes juristdition. Therefore, it is recommended that you check with your local building code authority for specific requirements or in absence of local codes, follow Section 7.0 of the current National Fuel Gas Code NFPA No. 54/ANSI Z223.1 or in Canada with CAN/CSA B149 for Category I systems using double wall B-1 vent pipe.

This gas appliance must be vented to the outdoors only and may not be terminated into an attic space or into a chimney flue servicing a solid-fuel burning appliance.

This appliance may be vented through a manufactured chimney liner system if all are listed, inspected and approved by local codes and/or building authorities.

The examples shown in Figure 10 are typical of most B-vent installations and code practices.

WARNING: This gas fireplace and vent assembly must be vented directly to the outside. The venting system must NEVER be attached to a chimney serv- ing a separate solid fuel burning apppliance.

	Listed
	Vent Cap			Listed		Listed
				Vent Cap		Vent Cap
		Maintain
	Maintain	Listed				Maintain
	Listed	Clearance
				Maintain		Listed
	Clearance
		Support Each		Listed		Clearance
		Lateral At		Clearance
		Least Every
		Six (6) Feet	45°
	60°
				12' Min.
	8'				45°	10'
	6'
12' Min.	Position	Position	45°	Position		12' Min.
				Firestop
	Firestop	Firestop
	Maintain		Maintain			Maintain
	Listed		Listed			Listed
	Clearance		Clearance			Clearance

EXAMPLE 1 EXAMPLE 2 EXAMPLE 3

Figure 10 - Typical B-Vent Configuration

www.desatech.com 117437-01