Instructions / Assembly

22
4-INCH OVAL GAS VENT FOR
INSTALLATION IN 2” X 4” STUD
WALLS
MH6375 CATEGORY I APPLIANCES ONLY
Gas vent shall extend at least 2 feet above the
highest point where it passes through the roof,
and at least 2 feet higher than any portion of
the building within 8 feet. Install oval ashing,
storm collar, and oval vent cap.
Where pipe passes through the roof, maintain
1-inch minimum clearance to all combustibles.
Attach base plate to wall furnace. Firestop
spacers shall be installed as shown, on all
oors other than the rst oor. Use ceiling plate
spacers at this level.
1. Saw out portion of header between studs
and install one restop spacer.
2. Nail the second restop spacer in position,
after oval pipe is in place.
3. All oors above to be installed in the same
manner.
4. Maximum BTU input:
Single story - 85,000 BTU
Multistory - 65,000 BTU
To assemble, align the two pieces, and
push them together until they click.
OVAL PIPE
FIRESTOP SPACER
Use only vents labeled “For Exterior Use
Only”, above rooine. (Canada Only)
OVAL PIPE
FIRESTOP
SPACER
CEILING PLATE
SPACER
BASE PLATE
WALL
FURNACE
1 INCH MINIMUM
CLEARANCE TO
COMBUSTIBLES