To Next Page

To Previous Page

Venting Installation (cont.)

The IBV, per ANSI-Z21.50 standard, requires double wall, gas only B-

Vent metal piping for the purpose of venting the appliance to the outside

of the building.

Specications:

Gas code requirements concerning B-Type vent installations may

vary within state, province or local code jurisdictions. Therefore it is

recommended that you check with local building codes prior to installing

anyBVentpipingforspecicrequirementsor,intheabsenceoflocal

codes follow Section 7.0 of the current National Fuel Gas Code ANSI

Z223.1, NFPA 54.

1. The IBV must be vented vertically out the top of the unit.

2.AllBVentueusedwithIBVmustterminateverticallythroughthe

roof.

3.All BVent ueused withIBVmaynot beterminatedinto anattic

space.

4.TheBVentueusedwithIBVmustonlybeusedfortheIBVandnot

shared with other venting systems.

5. Maintain a minimum one inch (1”) air space at all double wall B-Vent

metal pipe components.

6. Maintain a minimum two inch (2”) air space at all single wall B-Vent

metal pipe components.

Note: Check with pipe manufacturer for specic clearance

requirements.

7. Maintain a minimum three inch (3”) air space to all insulation and

vapor barriers.

8. Minimum required chimney height is one hundred inches (100”).

(Figure 21)

9.Maximumchimneyoffsetangleisfortyvedegreesoffofvertical.

(Figure 21)

11. Only one offset per chimney system is allowed.

CAUTION:Donotmodifyoraltermetalueormetaluecomponents

as this could result in an unsafe and potentially dangerous installation

that may cause a serious injury. Consult B-Vent manufacturer.

100” minimum

45º

maximum

angle

Figure 21

Isokern IBV-36 Installation, Operation, Maintenance And Owner's Manual

Other manuals for Isokern IBV-36