Louisville Tin and Stove W255F, W506F, W505F, W256F warranty Figurea, Figure C

WARNING: Do not bypass the blocked flue switch. To do so could expose the consumer to property damage, personal injury or possible death.

		More than 10’	Height above any
FIGUREA			roof surface
		10’
			within 10’
			horizontally
	Ridge	2’ Min.	3’ Min.
	10’ or Less	Chimney
Ridge	2’ Min.
	3’ Min.

ROUGH-IN INSTRUCTIONS NOTE: Maximum wall thickness for a dual wall (W505, W506) installation is 5-3/8”.

STEP 1. Attach the base plate (purchased with the vent pipe) to the header plate using two No. 8 sheet-metal screws through the pre-punched holes. The heater may not vent properly without a base plate to anchor and seal the vent system. See Figure C.

	Chimney
	Man. Reset
	Blocked
	Flue Switch
	Draft	Reset
		Button
	Diverter
Switch/
	Relief
Gas	Opening
Control	Combus-
Wire

Installation of B-W Gas Vent for one story buildings or for first floor of multi- story buildings

Ceiling plate spacers to center B-W gas vent in stud space - nail securely at both ends

Plate cut away for full width of stud space to provide ventilation

Studs on 16 inch centers

Sheet metal screw base plate to header

Use manufacturer’s method of fastening pipe to base plate

	tion
	Chamber
FIGUREB	FIGUREB-1

To heater gas control valve

Manual cut-off-valve

1/8” NPT	Gas
	Supply
Pressure Tap
	Line
Drip
Leg
GAS SUPPLY

Header plate of vented wall furnace (also acts as firestop)

FIGURE C

STEP 2. Cut out an opening between the studs of 14-3/8” x 66-1/2” above the floor plate. Embed the rear flange of the channel on top of header into either the drywall or the plastered wall. This provides part of the required fire stop. Square up and nail the header in place with the top front of header located 65-3/4” above floor plate. (See arrow on right side of header and Figure 1, 5A and 5B on Page 7).

STEP 3. Rough in ½” gas supply on center line of left stud either 4” above top of floor plate or 4” to right of left stud through floor plate. See Figure 1 located on Page 7.

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