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Table 2 Minimum foundation size
Figure 2 Boiler foundation
Part Number 550-142-303/1120
6
EG
/
PEG sEriEs 6
•
EGH sEriEs 5 Gas-firEd boilErs — boilEr manual
Vent System
Failure to follow all instructions can result in flue gas
spillage and carbon monoxide emissions, causing severe
personal injury or death.
Inspect existing chimney before installing boiler. Failure
to clean or replace perforated pipe or tile lining will cause
severe personal injury or death.
Do not alter boiler draft diverter or place any obstruction
or non-certified vent damper in breeching or vent system.
CSA certification will become void. Flue gas spillage and
carbon monoxide emissions will occur causing severe
personal injury or death.
The following requirements apply when you remove
an existing boiler from a vent system shared with other
appliances. If the new boiler will not use the common
vent, you must test (as described below) each remaining
appliance — operating by itself — to verify that the vent
system operates adequately.
When removing 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, cor-
rosion 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 appli-
ance 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 op-
erating instructions. Adjust thermostat so appliance will operate
continuously.
e. Test for spillage at draft diverter relief opening after 5 minutes of
main burner operation. Use the flame of a match or candle.
f. After it has been determined that each appliance remaining con-
nected to the common venting system properly vents when tested
as outlined above, return doors, windows, exhaust fans, fireplace
dampers, and any other gas-burning appliance to their previous
conditions of use.
Any improper operation of the common venting system should be cor-
rected so the installation conforms with the National Fuel Gas Code,
ANSI Z223.1/NFPA 54 – latest edition and/or Natural Gas and Propane
Installation Code, CAN/CGA B149 or B149.2, Installation Codes. 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 the National Fuel Gas Code, ANSI Z223.1/
NFPA 54 – latest edition and/or Natural Gas and Propane Installation
Code, CAN/CSA B149.1 or B149.2, Installation Codes.
Flooring and foundation
Do not install boiler on combustible
flooring or carpeting even if a concrete or
aerated foundation is used. Fire can result,
causing severe personal injury, death or
substantial property damage.
1. See Figure 2. A level concrete or solid brick pad is
required if:
a. There is a possibility of the floor becoming
flooded.
b. Non-level conditions exist.
2. An aerated boiler foundation is recommended if
any of the following conditions exist:
a. Electrical wiring or telephone cables buried in
the concrete floor of the boiler room.
b. Concrete floor is “green.”
c. There is a history of the floor becoming flooded.
d. Water is channeled under the concrete.
1 Prepare boiler location (continued)
Boiler Foundation Size - Inches
Boiler No. “L” Boiler No. “L”
EG 30-35 19” EGH 85 40 1/4”
EG 40-45 23 1/4” EGH 95 44 1/2”
EG 50-55 27 1/2” EGH 105 48 3/4”
EG 65 31 3/4” EGH 115 53”
EG 75 36” EGH 125 57 1/4”
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