Model EZGas Pro gas burner — Instruction manual
MNEZGas 011917
– 5 –
Where appliance instructions differ from this manual, follow the appliance instructions.
1. Prepare site • prepare burner • mount burner
(continued)
Figure 2 Locating & sizing air openings
Inspect installation site
Verify combustion/ventilation air openings
Installing the burner/appliance in a space that does not provide
enough air for combustion and ventilation can result in severe
personal injury, death or substantial property damage. Follow
all applicable codes and guidelines below to ensure space
has sufficient air openings.
Large spaces
For appliances located in basements, ventilated crawl spaces or other
large areas, no additional air openings should be necessary. Exception: If
the building construction is unusually tight (see National Fuel Gas Code
for definition), you will need to provide air openings into the building if ap-
pliance air comes from inside. Provide one opening within 12 inches of the
ceiling, and one opening within 12 inches of the floor. Size each opening to
provide free area (after deduction for louvers) of 1 square inch per 1,000
Btuh input of all fuel-burning appliances in the building.
Confined spaces — air from inside building
If air openings connect to areas inside the building, provide two openings,
one within 12 inches of the ceiling, the other within 12 inches of the floor.
Each opening must have a free area (after deduction for louvers) of 1 square
inch per 1,000 Btuh of all appliances in the space. If the building construc-
tion is unusually tight (see National Fuel Gas Code for definition), you will
need to provide air openings into the building. Provide two openings sized
and located as for the openings into the boiler space.
Confined spaces — air from outside
If air openings connect directly to outside, provide two openings, one within
12 inches of the ceiling, the other within 12 inches of the floor. Each opening
must have a free area (after louver deduction) of:
• If directly through side wall: 1 square inch for each 4,000 Btuh of all
appliances in the space.
• If through vertical ducts: 1 square inch for each 4,000 Btuh of all appli-
ances in the space.
• If through horizontal ducts: 1 square inch for each 2,000 Btuh of all
appliances in the space.
Optional outside air connection
For spaces not fitted with large enough air openings, you may be able to
apply the optional burner cover kit (RESCVR5S) with Outside Air/Direct Vent
kit (50433KIT) to provide outside combustion air to the burner. You must use
a vent outlet/air inlet termination approved by the appliance manufacturer.
Refer to the appliance and outside air kit manuals for instructions.
You will also have to apply this option if the appliance space may contain
corrosive contaminants, such as laundry products, paints, varnishes or
other chemicals.
Even when using the optional outside air kit, make sure the
space provides enough ventilation to prevent overheating of
the appliance, burner and controls. If there is risk of over-
heating, you must install ventilation air openings sized large
enough to provide air for cooling the equipment. Failure to
provide ventilation can result in severe personal injury, death
or substantial property damage.
