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4 Technical specifications of boilers
Item
Firing Sequence
[CSA] - Gas Input
[CSA] - # 2 Fuel Oil Input
[CSA] - Output [Gas-Oil]
[NET] - Output [Gas-Oil]
Cast Iron sections
Flue-way baffles
Water capacity
Water resistance
[
∆t = °F]
Combustion chamber
Dimensions
MAWP [Water]
Min. Safety Relief Capacity
Electrical connection
Max. Water Temp. Safety
Limit [MR]
Operating Water
Temperature Range
Chamber resistance
Gas-Vent Category
Boiler Vent Connection
Weight [Dry]
- CSA - MBH Output based on Thermal Efficiency Test According to
ANSI Z21.13a/CSA 4.9a-2005
- [NET] MBH Output Factor 1.15, Allowance for Piping and Pickup
Losses
- Chamber Resistance Based on Neutral Chimney-Vent Pressure
- Gas Vent Category Based on Several Factors [CO2 content, Vent
Pressure & Net-Flue Gas Temp]
- Approved for Direct-Vent, Use Only Approved Venting as Listed
- Natural Draft Applications, Approved for Type L vent [Gas-Oil] or
Type B Vent [Gas Only]
- Conversion Btu to kW = 3,412 Btu per kW
- All Models are Design Certified & Eligible to Bear Approval Marking
as Shown.
- All Models Certified to Fire; # 2 oil, Natural & Propane Gases.
Consult factory for Available Burners.
- All Models Comply and Certified in Accordance to the latest
Canadian & US standards
21/09/06 - 94863449 - 82294154E
Unit
GT 408 A
MBH
1730
kW
507.0
US GPH
12.00
MBH
1471
kW
431.1
MBH
1279
#
#
US Gal
96.72
Liter
Ft. H
O
18° F
2
Ft. H
O
27° F
0.669
2
Ft. H
O
36° F
0.318
2
Inch
Diameter
[equivalent]
mm
Inch
46.57
Depth
mm
1183
3
10.95
ft
Volume
3
m
PSI
MBH
1471
V/P/H
°F
°C
°F
°C
Inch w.c.
mbar
#
Inch
lb
3241
kg
1470
GT 409 A
GT 410 A
Consult Burner Technical Data
1947
2278
570.5
667.6
13.50
15.80
1655
1937
485.0
567.6
1439
1684
8
9
10
16
16
16
108.08
119.45
366
409
452
1.24
1.84
2.88
0.903
1.24
0.452
0.753
52.87
59.17
1343
1503
12.50
13.98
0.31
0.354
0.396
ASME IV Rating Class 30 - (90 PSI) [See Canadian Provincial CRN approvals]
1655
1937
0.44
0.60
0.80
1.1
1.5
2
10
10
10
3638
4034
1650
1830
- To Obtain Current IBR Ratings, consult their publications and
website.
GT 400 A
GT 411 A
GT 412 A
GT 413 A
2567
2826
3100
752.3
828.3
908.6
17.80
19.60
21.50
2182
2402
2635
639.4
704.1
772.3
1897
2089
2292
11
12
13
24
20
20
130.81
142.17
153.54
495
538
581
3.51
4.55
5.39
1.57
2.09
2.63
0.903
1.12
1.34
20.87
530
65.47
71.77
78.07
1663
1823
1983
15.50
16.99
18.47
0.439
0.481
0.523
2182
2402
2635
120/1/60
248
120
86 - 185
30 - 85
1.00
1.00
1.00
2.5
2.5
2.5
I, II - III or IV
12
12
12
4431
4828
5225
2010
2190
2370
GT 414 A
3389
993.3
23.50
2880
844.2
2505
14
20
164.90
624
6.82
3.68
1.81
84.87
2143
19.95
0.565
2880
1.00
2.5
12
5622
2550
7
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