Installation of Listed B-1 Vent

OWNER’S MANUAL

VENTING INSTALLATION

Continued

TYPE B-VENT INSTALLATION (Listed B-0 or Greater)

Before beginning installation be sure that the overall height and gas vent size conform to building code requirements. Gas vents ex- tending through pitched roofs can extend a minimum height of at least 600 mm (2') higher than any obstruction within 3m (10'). Gas vents extending through flat roofs are required to extend at least 600 mm (2') above the roof and at least 600 mm (2') higher than any portion of the building or adjoining build- ing within 3m (10') of the gas vent.

• Venting instruction contained in this

manual may or may not appy to your

area. Consult your local authority for re-

quirement in your area.

• Where the gas vent extends through ac-

cessible spaces, it should be enclosed to

avoid personal contact and damage. En-

closure walls should have a fire rating

equal to or greater than the floors through

Round Top

Storm Collar

Flashing

Firestop

Spacer

Enclosure

Wall

Gas Vent Length

Support

Plate

Adjustable

Length

Roof Suport

25mm (1") Clearance to Combustible Material

Keep Electrical Wires and Building Insulation Away from Gas Vent and Out of the Required Air Space

25mm (1") Clearance to Combustibles

Figure 19 - Vertical Venting Through Ceiling Using Two 90º Elbows

which the gas vent passes except in single

or two-family dwellings.

• Situate the gas vent in the structure so

that it can be installed without cutting

joists, sills, plates, or major load bearing

partitions or members. It is also impor-

tant to locate the base of the gas vent as

near as possible to the heating appliance.

• This heater must be properly connected to

a venting system. This heater is equipped

with a vent safety shutoff system.

• Use only vents labeled "FOR EXTE-

RIOR USE" above the roofline.

• Consult the authority having jurisdiction to

select the correct gas vent diameter. Avoid

using a larger than necessary diameter.

Figure 18 - Typical B-Vent Installation

WARNING: Installation should only be made by qualified per- sons who are familiar with the safety procedures required for the installation of the product, who are equipped with the proper tools and testing instruments, and who have achieved proper certification of licensing. Instal- lations made by unqualified per- sons can result in the risk of in- jury or electrical shock which can be serious or even fatal.

Figure 19, 20 and 21 show other options for the gas vent. When venting through a side wall your vent pipe must have the proper temperature rating (see Figure 21). Manufacturer's clearances must also be maintained. Consult the authority having jurisdiction in your area regarding venting through side wall.

Figure 20 - Vertical Venting Configuration Through Chimbey

Figure 21 - Venting Through a Side Wall

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105500

SBVBN(A), SBVBP(A) specifications

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