LST Range

LST Range
Safety
i Plus
i Plus 72 models
CPD
BIM
Heights: 500mm, 650mm & 800mm
Lengths: 650mm to 2050mm
Outputs: 196 to 2767 watts, 669 to 9441 Btu/hr
Types:
K1, P+ & K2
For more information call 0844 543 6200 or visit www.stelrad.com
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The Stelrad you know and so much more...
Stelrad LST Range i Plus
K1
50 Δt (75/65/20°C)
Casing Height
500
650
800
Casing
Length mm
Emitter
Height mm
Emitter
Length mm
UIN
650
850
1050
1250
1450
1650
1850
2050
650
850
1050
1250
1450
1650
1850
2050
650
850
1050
1250
1450
1650
1850
2050
300
300
300
300
300
300
300
300
450
450
450
450
450
450
450
450
600
600
600
600
600
600
600
600
400
600
800
1000
1200
1400
1600
1800
400
600
800
1000
1200
1400
1600
1800
400
600
800
1000
1200
1400
1600
1800
145200
145201
145202
145203
145204
145205
145206
145207
145208
145209
145210
145211
145212
145213
145214
145215
145216
145217
145218
145219
145220
145221
145222
145223
P+
Heat output
Watts Btu/hr
196
293
391
489
587
685
782
880
290
435
580
725
870
1015
1160
1305
365
548
730
913
1096
1278
1461
1643
669
1000
1334
1668
2003
2337
2668
3003
989
1484
1979
2474
2968
3463
3958
4453
1245
1870
2493
3115
3740
4361
4985
5606
UIN
145248
145249
145250
145251
145252
145253
145254
145255
145256
145257
145258
145259
145260
145261
145262
145263
145264
145265
145266
145267
145268
145269
145270
145271
K2
Heat output
Watts Btu/hr
284
426
568
710
852
994
1136
1278
386
580
773
966
1159
1352
1546
1739
501
751
1002
1252
1502
1753
2003
2254
969
1454
1938
2423
2907
3392
3876
4361
1317
1979
2637
3296
3955
4613
5275
5933
1709
2562
3419
4272
5125
5981
6837
7691
UIN
145224
145225
145226
145227
145228
145229
145230
145231
145232
145233
145234
145235
145236
145237
145238
145239
145240
145241
145242
145243
145244
145245
145246
145247
Heat output
Watts Btu/hr
348
522
696
870
1044
1218
1392
1566
478
717
956
1195
1434
1673
1912
2151
615
922
1230
1537
1844
2152
2459
2767
1187
1781
2375
2968
3562
4156
4750
5343
1631
2446
3262
4077
4893
5708
6524
7341
2098
3146
4197
5244
6295
7343
8393
9441
∆t50 is the UK’s industry standard for heating outputs, which has an operating temperature of 75/65/20°C if you have
a low temperature heat source you may wish to consider ∆t40 or ∆t30 output (see your installer or system designer).
K1
40 Δt (55/45/20°C)
Casing Height
500
650
800
Casing
Length mm
Emitter
Height mm
Emitter
Length mm
650
850
1050
1250
1450
1650
1850
2050
650
850
1050
1250
1450
1650
1850
2050
650
850
1050
1250
1450
1650
1850
2050
300
300
300
300
300
300
300
300
450
450
450
450
450
450
450
450
600
600
600
600
600
600
600
600
400
600
800
1000
1200
1400
1600
1800
400
600
800
1000
1200
1400
1600
1800
400
600
800
1000
1200
1400
1600
1800
UIN
P+
Heat output
Watts Btu/hr
145200 147
145201 219
145202 292
1145203 366
145204 439
145205 512
145206 585
145207 658
145208 217
145209 325
145210 434
145211 542
145212 651
145213 759
145214 868
145215 976
145216 273
145217 410
145218 546
145219 683
145220 820
145221 956
145222 1093
145223 1229
500
748
998
1248
1498
1748
1996
2246
740
1110
1480
1850
2220
2590
2961
3331
932
1399
1863
2330
2797
3262
3729
4193
UIN
145248
145249
145250
145251
145252
145253
145254
145255
145256
145257
145258
145259
145260
145261
145262
145263
145264
145265
145266
145267
145268
145269
145270
145271
K2
Heat output
Watts Btu/hr
212
319
425
531
637
744
850
956
289
434
578
723
867
1011
1156
1301
375
562
749
936
1123
1311
1498
1686
725
1087
1450
1812
2174
2537
2899
3262
985
1480
1973
2465
2958
3451
3946
4438
1279
1917
2557
3195
3833
4474
5112
5753
UIN
145224
145225
145226
1145227
145228
145229
145230
145231
145232
145233
145234
145235
145236
145237
145238
145239
145240
145241
145242
145243
145244
145245
145246
145247
Heat output
Watts Btu/hr
260
390
521
651
781
911
1041
1171
358
536
715
894
1073
1251
1430
1609
460
690
920
1150
1379
1610
1839
2070
888
1332
1776
2220
2664
3109
3553
3997
1220
1830
2440
3050
3660
4270
4880
5490
1570
2353
3139
3923
4706
5492
6276
7062
Stelrad LST Range i Plus
K1
30 Δt (55/45/20°C)
Casing Height
500
650
800
Casing
Length mm
Emitter
Height mm
Emitter
Length mm
UIN
650
850
1050
1250
1450
1650
1850
2050
650
850
1050
1250
1450
1650
1850
2050
650
850
1050
1250
1450
1650
1850
2050
300
300
300
300
300
300
300
300
450
450
450
450
450
450
450
450
600
600
600
600
600
600
600
600
400
600
800
1000
1200
1400
1600
1800
400
600
800
1000
1200
1400
1600
1800
400
600
800
1000
1200
1400
1600
1800
145200
145201
145202
145203
145204
145205
145206
145207
145208
145209
145210
145211
145212
145213
145214
145215
145216
145217
145218
145219
145220
145221
145222
145223
P+
Heat output
Watts Btu/hr
101
151
201
252
302
353
403
453
149
224
299
373
448
523
597
672
188
282
376
470
564
658
752
846
344
515
687
859
1031
1204
1374
1546
510
764
1019
1274
1529
1784
2038
2293
641
963
1283
1604
1926
2246
2567
2887
UIN
K2
Heat output
Watts Btu/hr
145248 146
145249 219
145250 293
145251 366
145252 439
145253 512
145254 585
145255 658
145256 199
145257 299
145258 398
145259 497
145260 597
145261 696
145262 796
145263 896
145264 258
145265 387
145266 516
145267 645
145268 774
145269 903
145270 1032
145271 1161
499
749
998
1248
1497
1747
1996
2246
678
1019
1358
1697
2037
2376
2717
3056
880
1320
1761
2200
2639
3080
3520
3961
Heat output
Watts Btu/hr
UIN
145224
145225
145226
145227
145228
145229
145230
145231
145232
145233
145234
145235
145236
145237
145238
145239
145240
145241
145242
145243
145244
145245
145246
145247
179
269
358
448
538
627
717
806
246
369
492
615
739
862
985
1108
317
475
633
792
950
1108
1266
1425
611
917
1223
1529
1834
2140
2446
2752
840
1260
1680
2100
2520
2940
3360
3780
1081
1620
2161
2701
3240
3781
4321
4862
EN 442 Certification Data - CETIAT tested in accordance with BS EN442
Type
Casing Height
Emitter Height
W/m at 75/65/20
n-coefficients
Heated Surface Area (m²/m)
Weight (kg/m)
Water Contents (l/m)
K1
500
300
489
1.19
2.09
17.80
1.89
650
450
725
1.25
3.37
23.50
2.57
P+
800
600
913
1.34
4.66
29.40
3.25
500
300
710
1.24
2.44
22.70
3.70
650
450
966
1.27
3.84
30.72
5.15
K2
800
600
1252
1.31
5.24
38.40
6.60
500
300
870
1.27
3.51
24.40
3.70
650
450
1195
1.30
5.62
33.30
5.15
800
600
1537
1.32
7.74
42.50
6.60
LST i Plus wall fixings and bracket positions
All dimensions in mm. Inches in brackets.
100 (3.93)
270 (10.63)
134 (5.27)
102 (4.01)
Casing
Height
500
650
800
Casing Height
Casing
Length
650
850
1050
24 (0.94)
270 (10.63)
237 (9.33)
237 (9.33)
Casing Length
24 (0.94)
Casing
Height
500
650
800
134 (5.27)
B
448
548
648
748
848
100 (3.93)
A
415
515
615
715
815
Casing Height
Casing
Length
1250
1450
1650
1850
2050
270 (10.63)
A
102 (4.01)
270 (10.63)
237 (9.33)
237 (9.33)
B
Casing Length
LST i Plus connection options
All dimensions in mm. Inches in brackets.
25 (0.98)
A
Casing Height
87 (3.42)
Casing
Height A
500
250
650
400
800
550
35 (1.37)
60 (2.36)
50 (1.96)
87 (3.42)
Control on left-hand side
35 (1.37)
50 (1.96)
Pipe configurations
120 (4.72)
132 (5.19)
Control on right-hand side
LST Range Components
LST Standard front case view.
LST Standard inside the
casing showing the
emitter.
LST Standard emitter,
showing high level valve
option (valve not included).
LST Standard circular
knockout for TRV. Oblong
knockout for pipe.
LST Plus inside the casing
showing the emitter.
LST Vertical front case view.
LST i Plus front case view.
LST i Plus inside the casing
showing the emitter.
LST Plus front case view.
LST Plus and LST i Plus Components
Optional cover cap to
discourage unauthorised
tampering.
An arthritic adaptor is
supplied as standard
for special needs
environments.
Accommodated within the
casing, the Stelrad LST Plus
emitter, with TBSE valve
arrangement and 2 x 1⁄2"
BSP connections as
standard.
Connection arrangement
bottom.
Connection arrangement top.
The Stelrad STARS Heatloss Calculator
contains an inbuilt U value calculator.
Save time and effort by using the
Stelrad STARS program - the perfect
solution for accurate sizing and
design flexibility.
www.starsapp.co.uk
Includes Danfoss RA-2000
TRV and copper pipe
configuration.
The remote sensing
thermostatic valve gives
accuracy of operation
and the limiting device is
completely hidden to
prevent the maximum
temperature being
exceeded.