DeDietrich GT 220 A Operating Instructions Manual page 15

3.5 All Side-wall and direct Vent termination locations installation precautions:
Warning/Caution:
In all cases avoid potential vent termination locations where excess debris or snow could accumulate and bock the
vent termination to any degree.
Minimum clearance of 4 ft. [1.22m] horizontally from, and in no case above or below, unless a 4 foot [1.22m]
horizontal distance is maintained, from electric meters, gas meters, regulators & relief equipment.
Do Not Co-Vent Any Direct Vent or Sidewall Venting System
(OIL INSTALLATIONS CANADA)
A VENT SHALL NOT TERMINATE.....
Directly above a paved sidewalk or driveway which serves 2
buildings.
Less than 7 ft. any paved sidewalk or drive way
Less than 6 ft. from an open-able window, door or mechanical
combustion air supply
Less than 6 ft. of any combustion air inlet
Less than 3 ft. of the vertical centerline of the meter/regulator
assembly on a horizontal plane perpendicular to the regulator
Less than 6 ft. of gas service regulator vent outlet
Less than 4 ft. of oil tank vent or oil tank fill inlet
Less than 1 ft. above grade or normal anticipated snow level for the
area.
Within 6 ft. of a property line
Underneath a veranda, porch or deck
Flue gases are within 6 ft. of combust ble material or any openings of
surrounding buildings.
Less than 3 ft. from an inside corner or L-shaped structure
Where flue gases may be directed towards brickwork, siding or other
construction that may cause damaged from heat or condensate from
the flue gases.
32
82274096
(GAS INSTALLATIONS CANADA)
A VENT SHALL NOT TERMINATE.....
Directly above a paved sidewalk or driveway which serves 2 buildings.
Less than 7 ft. any paved sidewalk or drive way
Less than 6 ft. of a combustion air inlet to any building
Less than 4 ft. above a meter/regulator assembly [horizontally] of the vertical center-line of the
regulator vent outlet to a maximum vertical distance of 15 ft.
Less than 4 ft. of any gas service regulator vent outlet
Less than 1 ft. above grade or normal anticipated snow level for the area
Less than 3 ft. from windows, doors [that can be opened], combustion air supply or any appliance
or building.
Underneath a veranda, porch or deck unless:
1. The veranda, porch or deck is fully open on a minimum of 2 sides beneath the floor
&
2. The distance between the top of the vent
termination and the underside of the veranda, porch or deck is greater than 1 ft.
B139-00
Consult Local Codes & Authorities for other Requirements not mentioned
Venting
B149.1
A VENT SHALL NOT TERMINATE.....
Less than 3 ft. of any combustion air inlet source located wi hin 10 ft.
Less than 1 ft. from any obstructions
Less than 1 ft. above grade or normal anticipated snow level for the area.
Over public walkways, driveways or other areas where condensate or
vapor could create nuisance or hazard or could be detrimental to the
operation of regulators, relief's, valves or other equipment
A VENT SHALL NOT TERMINATE.....
Less than 5 ft. from vent outlet of the supply tank
Less than 7 ft. above walkways
Less than 1 ft. from any door, window or air inlet source
Less than 1 ft. from grade or snow level.
Less than 3 ft. from a air intake that is within 10 ft
Less than 1 ft. from soffit of the roof
Less than 3 ft. from any building corner or L shape structure
WARNING-CAUTION
NFPA 54 / ANSI Z223
(GAS INSTALLATIONS USA)
NFPA 31
(OIL INSTALLATIONS USA)
11-20-09