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When removing an existing boiler, the following
steps must be followed.
1. Seal any unused openings in the common venting
system.
2. Visually inspect the venting system for proper size
and horizontal pitch to determine if there is
blockage, leakage, corrosion or other deficiencies
that could cause an unsafe condition.
3. If practical, close all building doors, windows and
all doors between the common venting system and
other spaces in the building. Turn on clothes dryers
and any appliances not connected to the common
venting system. Turn on any exhaust fans, such as
range hoods and bathroom exhausts, at maximum
speed. Do not operate a summer exhaust fan. Close
all fireplace dampers.
4. Place in operation the appliance being inspected.
Follow the lighting instructions. Adjust the thermostat so the appliance will operate continuously.
5. Test for spillage at the draft hood relief opening after 5 minutes of main burner operation. Use the
flame of a match or candle or smoke from a cigarette.
6. After it has been determined that each appliance remaining connected to common venting system
properly vents when tested as outlined, return doors, windows, exhaust fans, fireplace dampers and any
other gas burning appliance to their previous condition of use.
7. Any improper operation of the common venting system should be corrected so the installation
conforms to the National Fuel Gas Code, ANSI Z223.1. When resizing any portion of the common venting
system, the common venting system should be resized to approach the minimum size as determined
using the appropriate tables in Appendix G in the National Fuel Gas Code, ANSI Z 223.1.
H. UNCRATING AND MOVING BOILER
Uncrating Boiler – Any claims for damage in shipment must be filed immediately against the
transportation company by the consignee.
Cold Weather Handling – If boiler has been stored in a very cold location (below 0
o
F) before installation,
handle with care until the plastic components come to room temperature.
Figure 4 - CO Warning Label
Figure 5 - CO Warning Label
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