Gas-fired water boiler
Vent Supplement
Ultra-80, -105, -155, -230 & -310
Installation of:
• Vent piping
• Air piping
with
This document must only be used by a qualified heating installer/service technician. Read all instructions, including this Supplement and the Boiler Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death or substantial property damage.
Installation must comply with local requirements and with the National Fuel Gas Code, ANSI Z223.1 for U.S. installations or CSA B149.1 or B149.2 for Canadian installations.
Part No. 550-101-235/0903
GAS-FIRED WATER BOILER — Vent Supplement
Contents |
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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 |
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.
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.
2 |
Part number 550-101-235/0903 |
GAS-FIRED WATER BOILER — Vent Supplement
1 Vent and air piping materials
Use only the materials listed in the table below for vent and air pipe and fittings. Failure to comply could result in severe personal injury, death or substantial property damage.
Installation must comply with local requirements and with the National Fuel Gas Code, ANSI Z223.1 for U.S. installations or CSA B149.1 or B149.2 for Canadian installations.
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Part number 550-101-235/0903 |
3 |
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GAS-FIRED WATER BOILER — Vent Supplement
2 Prepare boiler location
Removing from existing vent
Do not install the Ultra into a common vent with any other appliance. This will cause flue gas spillage or appliance malfunction, resulting in possible severe personal injury, death or substantial property damage.
Failure to follow all instructions can result in flue gas spillage and carbon monoxide emissions, causing severe personal injury or death.
When removing existing boiler from existing common vent system:
At the time of removal of an existing boiler, the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation, while the other appliances remaining connected to the common venting system are not in operation.
a.Seal any unused openings in the common venting system.
b.Visually inspect the venting system for proper size and horizontal pitch and determine there is no blockage or restriction, leakage, corrosion or other deficiencies which could cause an unsafe condition.
c.Test vent system — Insofar as is practical, close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building. Turn on clothes dryers and any appliance not connected to the common venting system. Turn on any exhaust fans, such as range hoods and bathroom exhausts, so they will operate at maximum speed. Do not operate a summer exhaust fan. Close fireplace dampers.
d.Place in operation the appliance being inspected. Follow the lighting instructions. Adjust thermostat so appliance will operate continuously.
e.Test for spillage at draft hood relief opening after 5 minutes of main burner operation. Use the flame of a match or candle, or smoke from a cigarette, cigar, or pipe.
f.After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined herein, return doors, windows, exhaust fans, fireplace dampers, and any other gas-burning appliance to their previous conditions of use.
Any improper operation of common venting system should be corrected so the installation conforms with the National Fuel Gas Code, ANSI Z223.1 — latest edition. Correct by resizing to approach the minimum size as determined using the appropriate tables in Part 11 of that code. Canadian installations must comply with B149.1 or B149.2 Installation Code.
Vent and air piping
Vent and air system
Installation must comply with local requirements and with the National Fuel Gas Code, ANSI Z223.1 for U.S. installations or CSA B149.1 or B149.2 for Canadian installations.
The Ultra boiler requires a special vent system, designed for pressurized venting. Ultra boilers are rated ANSI Z21.13 Category IV (pressurized vent, likely to condense in the vent).
You must also install air piping from outside to the boiler air intake adapter. The resultant installation is categorized as direct vent (sealed combustion).
You may use any of the vent/air piping methods covered in this supplement. Do not attempt to install the Ultra boiler using any other means.
DO NOT mix components from different systems. The vent system could fail, causing leakage of flue products into the living space. Use only PVC, CPVC or ABS pipe and fittings, with primer and cement specifically designed for the material used.
Vent and air piping and termination
The Ultra boiler vent and air piping can be installed through the roof or through a side wall. Follow the procedures in this document for the method chosen. The maximum vent length depends on boiler size. Refer to the information in this supplement to determine acceptable vent and air piping length.
Combustion air for the Ultra boiler must be ducted directly to the boiler from outside (direct vent installation).
Follow all instructions in this document and the Ultra Boiler Manual to install vent and air piping.
4 |
Part number 550-101-235/0903 |
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