Stelrad Specification Book July 2024 - Catalog - Page 81
LST i PLUS XTRA PROTECTION
50
K2
(75/65/20ºC)
Casing
Height
mm
650
800
Casing
Length
mm
Emitter
Height
mm
Emitter
Length
mm
Stelrad
UIN
650
450
400
146232
478
1631
850
450
600
146233
717
2446
Watts
Heat output
Btu/hr
1050
450
800
146234
956
3262
1250
450
1000
146235
1195
4077
1450
450
1200
146236
1434
4893
1650
450
1400
146237
1673
5708
1850
450
1600
146238
1912
6524
2050
450
1800
146239
2151
7339
650
600
400
146240
615
2098
3146
850
600
600
146241
922
1050
600
800
146242
1230
4197
1250
600
1000
146243
1537
5244
1450
600
1200
146244
1844
6292
1650
600
1400
146245
2152
7343
1850
600
1600
146246
2459
8390
2050
600
1800
146247
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 Xtra Protection front
case view.
LST i Plus Xtra Protection
inside the casing showing the
emitter.
LST i Plus Xtra Protection
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 Xtra
Protection 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.
Zn
YEAR WARRANTY
ON EMITTER
BAR
WORKING
PRESSURE
GALVANISED
STEEL
81