Monessen Hearth BWB400, BWBC400I manual Outside Combustion Air Precautions And Recommendations

OUTSIDE COMBUSTION AIR PRECAUTIONS AND 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 24

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.

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

FIGURE 25 FIGURE 26

SCREWS

6" DIA. HOLE FOR AK-4

COMBUSTION AIR ASSEMBLY

FOR MODEL NO. AK-4

2" APP.

NAIL	DUCT
HOLES

INSULATION

DUCT CONNECTOR

DUCT CLAMP

INSTALLATION OF THE MODEL 403 DUCT CONNECTOR

1. Push the insulation back approximatly 2" from the end of each duct .

2. Slip each duct over the duct connector until an equal length of the connector extends into each duct.

3.Place a duct clamp over the end of each duct and tighten it down snuggly.

4. Push the insulation back into place and over

the duct clamp.

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53D9031. Rev 1 03/03