Ultra Boiler Manual
Part number 550-100-440/0122
83
ADVANCED INSTALLATION
1. See Figure13,page19 for approved vent and air piping materi-
als, for both direct exhaust and direct vent.
Use the same vent or air piping material
throughout.
— Do not connect dierent types of
piping together.
1. Boiler ue gases must be piped from the boiler to outside, fol-
lowing the instructions in this manual, and compliant with all
applicable codes. e vent pipe must terminate either through
the sidewall or through the roof, located with the correct sepa-
ration from the air termination. See the associated instructions
in the following pages.
2. Each Ultra boiler requires a separate vent. DO NOT common
vent.
exhaust
Provide combustion air openings to boiler
room and building.
Combustion and ventilation
air for direct exhaust boilers is provided from the
boiler room. Follow all instructions in the Boiler
manual and this addendum plus all applicable codes,
providing combustion air openings as specied.
Failure to comply could result in severe personal
injury, death or substantial property damage.
1. Combustion air must be supplied through openings into the
boiler room, following the instructions in this manual, and
compliant with all applicable codes. Read the warning on
page16, and ensure the air and boiler room will not contain
contaminated air.
2. Where the Ultra boiler shares a space with other appliances, the
combustion air openings must be sized to handle the combined
requirements of all appliances in the space.
1. Read and follow instructions in Boiler manual, including
page65 for Massachusetts installations when applicable.
1. Read and follow instructions in Boiler manual, including
page65 for Massachusetts installations when applicable.
SIDEWALL
DIRECT EXHAUST
VERTICAL
DIRECT EXHAUST
Every vent pipe requires a bird screen at its
termination
. Bird screens are not supplied
with the Ultra boiler. Purchase separately from
WM Technologies.