Monessen Hearth HWB700HB manual Outside Combustion AIR Precautions & Recommendations

OUTSIDE COMBUSTION AIR PRECAUTIONS & RECOMMENDATIONS

NOTE: The use of outside air for combustion is optional unless required by building codes. It is only necessary to supply outside combustion air to one side of the fireplace. Use the model AK4 combustion air kit.

FIGURE 21

INSULATION RING

INSERT SHORTEST SIDE

OF THE TUBE THROUGH

THE FIREPLACE OUTER

WRAP TO PROPERLY

SEAL AGAINST FIREBOX

WALL AND GASKET.

SECURING OUTSIDE AIR STARTING COLLAR TO FIREPLACE

LONGER LENGTH OF THE TUBE

TO OUTSIDE.

STEP 1: SECURE OUTSIDE AIR STARTING

COLLAR TO LEFT SIDE OF FIREPLACE WITH

FOUR SHEET METAL SCREWS PROVIDED.

NOTE: THE STARTING COLLAR EXTENDS

THROUGH THE OUTER FIREPLACE JACKET

AND WILL SEAL AGAINST THE FIREBOX

WALL WHEN SECURED AS INDICATED.

SECOND FLOOR

FIRESTOP SPACER

TERMINATION CAP

DUCT EXTENDED

TO MISS JOIST

STEP 2: SECURE OUTSIDE DUCT TO STARTING COLLAR WITH DUCT CLAMP OR SCREWS.

FIREPLACE OUTER WRAP

AK4 COMBUSTION

AIR KIT (SHORTEST

TOWARD FIREBOX)

AK4 MOUNTING PLATE

FIREBOX INSULATION SEAL

FIRESTOP SPACER

TO OUTSIDE WALL

INSTALLATION ABOVE BASEMENT

OR CRAWL SPACE

CAUTION: DO NOT TAKE

COMBUSTION AIR FROM

ATTIC SPACE OR GARAGE.

INLET GRILLE

8' MAX. IN SOFFIT (OVERHANG)

CONCRETE SLAB INSTALLATION (OPTIONAL OUTSIDE AIR RUNS)

20

53D9036. Rev 1 03/03