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Weil-McLain 80 Boiler For Gas, Light Oil, Gas/Light Oil Fired Burners
1
Before installing boiler
Opening sizes must comply with state, provincial or
local codes. In their absence, use the following when
one within 12 inches of ceiling, one within 12 inches
of floor. Minimum dimension of each opening is 3
inches.
opening should be at least one square inch/1,000
having adequate infiltration from outside.
should connect directly or by ducts from outdoors
or crawl or attic spaces that freely connect with
a. through outside wall or vertical ducts - at least
b. through horizontal ducts - at least one square
c. where ducts are used, they should be same cross-
ment to prove open before boiler operation.
sidewall openings, ensure openings comply with Fig-
ures 2 and 3.
4
Do not install an exhaust fan in boiler
ventilation air must be provided to
assure proper combustion and prevent
monoxide emissions, causing severe
personal injury or death.
sectional area as free area of openings they are
connected to.
when calculating free air openings. Refer to
their manufacturer's instructions for size. If
(continued)
Combustion and ventilation air openings
— Boiler room below grade
Combustion and ventilation air openings
— Boiler room partially or completely
above grade
-
Part No. 550-141-935/0215
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