Install Instructions

SDT/SET Installation & Operation Manual
8 Performance Data
Table 8C First Hour Rating - 180°F Boiler Loop Water (Knight and Wall Mount Boilers, Upper Coil SDT Models)
Note: Testing conducted with 50°F inlet cold water
Table 8D First Hour Rating - 180°F Boiler Loop Water (Universal Sizing. Upper Coil SDT Models)
First Hour Rating - 180°F Boiler Loop Water
(Universal Sizing - 45,000 - 295,000 Btu/hr / SDT065-SDT119)
Model SDT065 SDT080 SDT119
Boiler Supply
Water
180 180 180
Circulator
Flow GPM
5 8 12 16 20 25 30 5 8 12 16 20 25 30 5 8 12 16 20 25 30
Domestic
Outlet
115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140
40,000 106 84 106 84 112 90 112 90 128 106 128 106
60,000 144 111 144 111 151 117 151 117 167 133 167 133
70,000 163 125 163 125 170 131 170 131 187 147 187 147
100,000 198 149 221 165 221 165 221 165 210 159 228 172 246 189 246 189
120,000 246 183 255 190 259 192 241 181 264 198 267 200 267 199 285 217 285 217
140,000 269 200 297 219 297 219 290 216 306 227 306 227 306 227 291 221 324 244
165,000 301 222 320 236 342 253 355 262 341 257 373 279 373 279
195,000 374 276 385 288 413 308 431 321
225,000 475 352 490 362
260,000 529 390 559 411
295,000 587 431
MAX BTU
INPUT
87,908 100,236 113,064 118,318 125,667 142,000 152,463 90,256 106,525 118,352 131,827 139,966 159,038 175,125 123,218 148,780 171,607 285,675 217,372 245,000 274,575
Boiler Heating
Capacity
First Hour Rating - 180°F Boiler Loop Water
(Knight Boiler - SDT065 - SDT119)
Model SDT065 SDT080 SDT119
Boiler Supply
Water
180 180 180
Circulator
Flow GPM
5 8 12 16 20 25 30 5 8 12 16 20 25 30 5 8 12 16 20 25 30
Domestic
Outlet
115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140 115 140
52,250 130 101 130 101 136 107 136 107 152 123 152 123
72,000 167 127 167 127 174 134 174 134 191 150 191 150
80,750 184 139 184 139 191 146 191 146 208 162 208 162
99,750 221 166 220 165 228 172 245 189 245 189
104,500 255 171 237 178 255 195 255 195
142,500 255 190 269 200 301 222 301 222 241 181 264 198 290 216 305 227 310 230 291 221 329 248
147,250 311 229 320 237 320 237 338 254
189,999 320 236 342 253 374 276 341 257 385 288 413 308 422 314
199,500 440 327 440 327
270,750 475 352 529 390 580 426
372,267 587 431
MAX BTU
INPUT
87,908 100,236 113,064 118,318 125,667 142,000 152,463 90,256 106,525 118,352 131,827 139,966 159,038 175,125 123,218 148,780 171,607 285,675 217,372 245,000 274,575
WH 55
KB 81
WH 85
KB 106
WH 110
KB 151
WH 155
WH 199
KB 211
KB 286
/ WH
285
KB 400
Boiler Heating Capacity
Note: Testing conducted with 50°F inlet cold water