Lochinvar SQUIRE SIT030 - Page 21

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Installation & Operation Manual
21
First Hour Rating - 180°F Boiler Loop Water
(Knight Boiler - Models SIT030 - SIT050)
Model SIT030 SIT040 SIT050
Circulator Flow
GPM
5 8 12 16 20 5 8 12 16 20 5 8 12 16 20
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
WB050 108 83 108 83 122 97 122 97 135 110 135 110
K/WB080 159 119 159 119 173 133 173 133 188 147 188 147
K/WB105 171 128 191 142 217 165 217 165 231 178 231 178
K/WB150 191 142 223 165 252 189 267 200 268 204 292 221
K/WB210 223 165 240 177 267 200 282 211 292 221 307 232
KB285 223 165 240 177 267 196 267 200 282 211 286 213 292 221 307 232 334 251
KB399 267 196 286 213 334 251
KB500 267 196 286 213 334 251
MAX BTU INPUT
77008 89165 105532 114761 129676 92998 112972 123331 129574 132764 94115 114116 125111 134044 146207
Boiler Heating Capacity
Table 8B First Hour Rating - 180°F Boiler Loop Water (Knight Boiler)
First Hour Rating - 180°F Boiler Loop Water
(Knight Boiler - SIT065 - SIT119)
Model SIT065 SIT080 SIT119
Circulator Flow
GPM
5 8 12 16 20 5 8 12 16 20 5 8 12 16 20
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
WB050 153 128 153 128 163 138 163 138 197 172 197 172
K/WB080 207 165 207 165 216 175 216 175 250 209 250 209
K/WB105 250 196 250 196 259 206 259 206 292 239 292 239
K/WB150 319 245 328 252 338 262 338 262 372 296 372 296
K/WB210 356 271 386 293 374 288 409 312 476 371 476 371
KB285 356 271 386 293 388 294 374 288 409 312 424 323 501 388 573 438 596 454
KB399 388 294 424 323 596 454
KB500 388 294 424 323 596 454
MAX BTU INPUT
118488 129139 146864 163768 167924 115860 139106 154002 171229 181544 141419 190161 204795 237649 253504
Boiler Heating Capacity
8 Performance data (continued)