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How to choose the right TRV
for a LST Standard radiator
The valve should always
have a 90º body.
The valve on this
TRV is straight.
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The TRV head and tail
centres should be in line.
The TRV head and tail
centres are not in line
in this valve.
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90°
The valve must be
bi-directional with the tail
fitted in line with the TRV.
The valve and the TRV
fitted at right angles.
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The diameter of the TRV
head must be 50mm MAX
Some TRV’s will not fit the knock out in the side panel.
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