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Part number 550-101-235/0903
2
GAS-FIRED WATER BOILER — Vent Supplement
Please read before proceeding
Installer
Read all instructions before installing.
Follow all instructions in proper order
to prevent personal injury or death.
• This document is intended only as a supplement
to the Ultra Boiler Manual. It’s purpose is for the
installation of vent and air piping for the boiler.
User
• This document is for use only by your qualified
heating installer/service technician.
• Please refer to the User’s Information Manual for
your reference.
• Keep this supplement near the boiler for use by
your installer or technician.
All Ultra boilers must be installed as direct vent. This requires piping
installation for both flue products (vent) and combustion air (air piping).
All vent and air piping must be installed, terminated and sealed as described
in this supplement. Failure to adhere to the guidelines in this supplement
can result in severe personal injury, death or substantial property damage.
Contents
Hazard definitions
The following defined terms are used throughout this manual to bring attention to the presence of hazards of various
risk levels or to important information concerning the life of the product.
Indicates presence of hazards that will cause severe personal injury, death or substantial property
damage.
Indicates presence of hazards that can cause severe personal injury, death or substantial property
damage.
Indicates presence of hazards that will or can cause minor personal injury or property damage.
Indicates special instructions on installation, operation or maintenance that are important but not
related to personal injury or property damage.
Please read before proceeding ........................................................ 2
Vent and air piping materials ............................................................ 3
Prepare boiler location ...................................................................... 4
Vent/air termination — through roof ................................................ 6
Vent/air termination — sidewall ........................................................ 8
Installing vent & air piping .............................................................. 11