Warning, Vent installation – Monessen Hearth Direct Vent Gas Fireplace KHLDV SERIES User Manual

Page 13

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VENT INSTALLATION

Figure 7 - Combustible Clearances for Vent Pipe

A minimum of 3" clearance to the top is

required along horizontal length until fl ue

pipe penetrates outside wall.

A minimum 1"

clearance to

combustibles

permitted all

around fl ue at

outside wall

Horizontal sections of this vent system require a minimum of 3" clearances to combustibles
at the top of the fl ue and 1" clearance at the sides and bottom until the fl ue penetrates
the outside wall.
A minimum 1" clearance all around the fl ue is acceptable at this point
of penetration.

Vertical sections of this vent system require a minimum of 2" clearance to combustibles
at the top of the unit directly above the stand-off. A minimum of 1" clearance all around
the fl ue is acceptable thereafter.

W

ARNING

24" vertical rise required

before horizontal run

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