Specifications

Part number 550-100-090/0809
g a s -f i r e d w a t e r b o i l e r — Boiler Manual
122
Ratings — multiple Ultra boilers
Figure 126 Ratings and engineering data (see Figure 128 for notes)
DOE
Boilers in system
Model Ultra –
Total
CSA
input
DOE
Heating
capacity
Boiler
H.P.
Net
water
ratings
Manifolded
combustion
air duct
size
Foundation size
Side-to-side
arrangement
(height 2” to 4”)
Back-to-back
arrangement
(height 2” to 4”)
Input,
MBH
Output,
MBH
- MBH
Square
inches
Length
(inches)
Length
(inches)
Length
(inches)
Length
(inches)
80 105 155 230 299 399
- Note 1 - Note 2
Figure 59, page 55
Note 3
2 160 142 4.2 123 80
56 23 27 48
2 210 188 5.6 163 105
2 310 278 8.3 242 155
2 460 414 12.4 360 230
2 598 540 16.1 468 299
2 798 730 21.8 634 385
3 240 213 6.4 185 120
85 23 56 48
3 315 282 8.4 245 157
3 465 417 12.5 363 232
3 690 621 18.6 540 345
3 897 810 24.2 702 449
3 1197 1095 32.7 951 578
4 320 284 8.5 247 160
114 24 56 49
4 420 376 11.2 327 210
4 620 556 16.6 483 310
4 920 828 24.7 720 460
4 1196 1080 32.3 936 598
4 1596 1460 43.6 1268 770
5 400 355 10.6 309 200
143 24 85 49
5 525 470 14 409 267
5 775 695 20.8 604 387
5 1150 1035 30.9 900 575
5 1495 1350 40.3 1170 748
5 1995 1825 54.5 1585 963
6 480 426 12.7 370 240
172 24 85 49
6 630 564 16.8 490 315
6 930 834 24.9 725 465
6 1380 1242 37.1 1080 690
6 1794 1620 48.4 1404 897
6 2394 2190 65.4 1902 1155
7 560 497 14.8 432 280
201 24 114 49
7 735 658 19.7 572 367
7 1085 973 29.1 846 542
7 1610 1449 43.3 1260 805
7 2093 1890 56.5 1638 1047
7 2793 2555 76.3 2219 1348
8 640 568 17 494 320
230 24 114 49
8 840 752 22.5 654 420
8 1240 1112 33.2 967 620
8 1840 1656 49.5 1440 920
8 2392 2160 64.5 1872 1196
8 3192 2920 87.2 2536 1539