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The Exhaust Hood must be installed on the leeward side of house and conform to the
following guidelines:
1. The Vent hood shall be installed 12” above ground level or 12” above nominal snow level of the region of
the installation.
2. The Vent hood shall not be less than 3 feet above any forced air inlet to the house.
3. The Vent hood shall not be less than 4 feet below, 4 feet horizontally, or 1 foot above any door, window
or gravity inlet into any building.
4. The Vent hood shall not be less than 2 feet from an adjacent building.
5. The Vent hood shall be not less than 7 feet above grade when located adjacent to public walkway.
6. The Vent hood shall be located so that flue gasses are not directed to jeopardize people, overheat
combustible structures, materials or enter buildings.
7. Minimum of 4’ horizontal clearance from electric meters, gas meters, regulators and relief equipment.
8. All joints in system are to be sealed to prevent leakage of products of combustion in the building.
9. Avoid installing exhaust hood on North, West, or prevailing wind side of the house.
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2. Installation of DV Hood
EXTERNAL VENT SURFACES ARE HOT.
CAUTION:
USE ONLY LISTED COMPONENTS SUPPLIED WITH THE BOILER. SURFACE DISCOLORATION
OF THE BUILDING MAY OCCUR DUE TO IMPROPER BOILER/BURNER ADJUSTMENT. QHT
WILL NOT ACCEPT RESPONSIBILITY OR LIABILITY FOR SUCH DISCOLORATION.
NOTE:
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