Stelrad Specification Book January 2025 - Catalog - Page 73


LST i PLUS
50
K1
P+
K2
(75/65/20ºC)
Casing
Height
mm
500
650
800
Casing
Length
mm
Emitter
Height
mm
Emitter
Length
mm
Stelrad
UIN
Heat output
Watts
Btu/hr
Stelrad
UIN
Heat output
Watts
Btu/hr
Stelrad
UIN
Heat output
Watts
Btu/hr
650
300
400
145200
196
669
145248
284
969
145224
348
850
300
600
145201
293
1000
145249
426
1454
145225
522
1187
1781
1050
300
800
145202
391
1334
145250
568
1938
145226
696
2375
1250
300
1000
145203
489
1668
145251
710
2423
145227
870
2968
1450
300
1200
145204
587
2003
145252
852
2907
145228
1044
3562
1650
300
1400
145205
685
2337
145253
994
3392
145229
1218
4156
1850
300
1600
145206
782
2668
145254
1136
3876
145230
1392
4750
2050
300
1800
145207
880
3003
145255
1278
4361
145231
1566
5343
650
450
400
145208
290
989
145256
386
1317
145232
478
1631
850
450
600
145209
435
1484
145257
580
1979
145233
717
2446
1050
450
800
145210
580
1979
145258
773
2637
145234
956
3262
1250
450
1000
145211
725
2474
145259
966
3296
145235
1195
4077
1450
450
1200
145212
870
2968
145260
1159
3955
145236
1434
4893
1650
450
1400
145213
1015
3463
145261
1352
4613
145237
1673
5708
1850
450
1600
145214
1160
3958
145262
1546
5275
145238
1912
6524
2050
450
1800
145215
1305
4453
145263
1739
5933
145239
2151
7339
650
600
400
145216
365
1245
145264
501
1709
145240
615
2098
3146
850
600
600
145217
548
1870
145265
751
2562
145241
922
1050
600
800
145218
730
2491
145266
1002
3419
145242
1230
4197
1250
600
1000
145219
913
3115
145267
1252
4272
145243
1537
5244
1450
600
1200
145220
1096
3740
145268
1502
5125
145244
1844
6292
1650
600
1400
145221
1278
4361
145269
1753
5981
145245
2152
7343
1850
600
1600
145222
1461
4985
145270
2003
6834
145246
2459
8390
2050
600
1800
145223
1643
5606
145271
2254
7691
145247
2767
9441
t50 is the UK’s industry standard for heating outputs, which has an operating temperature of 75/65/20ºC. If you have a low temperature
heat source you may wish to consider t40 or t30 output (see your installer or system designer or download from www.stelrad.com).
For EN442 data, technical and installation information please visit our website: www.stelrad.com and search product downloads.
For systems not operating at DeltaT 50 the correction factors table on page 104 should be applied.
LST i Plus front case view.
LST i Plus inside the casing
showing the emitter.
LST i Plus rectangular
knockout for pipe.
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 i Plus
emitter, with TBSE valve
arrangement and 2 x ½” BSP
connections as standard.
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.
YEAR WARRANTY
ON EMITTER
BAR
WORKING
PRESSURE
73
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