Louisville Tin and Stove W251F, W506, W351F Rough-Ininstructions Figure, Rough-In Dimensions, Page

ROUGH-IN INSTRUCTIONS

FIGURE 1

ROUGH-IN

DIMENSIONS

*65-3/4”

14-1/4”	* This
	measurement
Min.
	must be
14-1/2” Max.
	taken from
	top of
	floor
	plate

4”

4”

NOTE: For proper combustion, make sure units are level, front to back and side to side.

Dry-Wall

B-W Type Vent

Screw

Front

Panel

Plaster

Ground

FIGURE 5A - DRY WALL

Plaster

B-W Type Vent

Screw

Front

PlasterPanel

Ground

FIGURE 5B - PLASTER WALL

STEP 4.Remove double ceiling plate between studs. Install one ceiling plate spacer across the cut out in ceiling plate. Install vent pipe into position, be sure to lock bottom of vent pipe into the base plate. Nail second ceiling plate spacer in place. (See Figure C, Page 6).

STEP 5.If the vent continues through additional stories within the 2x4-stud space, then fire-stop-spacers must be installed at the second and subsequent ceiling levels. See Figure D.

	Installation of B-W gas		Firestop spacers
			supplied by
	vent for each subsequent
			manufacturer of
	ceiling or floor level
			B-W gas vent
	of multi-story
	buildings		Plate cut away to
			provide passage of
			B-W gas vent
			Nail firestop
			spacer securely
FIGURE D
	VENT INSTALLATION		LISTED
			VENT TOP
		2 FT. MIN.
			STORM COLLAR
			ROOF
			FLASHING
	CEILING PLATE		OVAL TO
			ROUND ADAPTER
	SPACERS
			LISTED “BW”
			VENT PIPE
	12 FT.	CEILING	BASE PLATE
	MIN.
		PLATE
			HEADER PLATE
		SPACER
		LANCES
			2 X 4 WALL
			STUDS

FIGURE 2 - VENT INSTALLATION

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