5
1.  The clamp on sensor should 
be mounted onto the 
cylinder wall at a height 
equivalent to ½ the height 
of the cylinder. Care should 
be taken to remove any 
insulation material from 
the cylinder and to ensure 
that the copper surface 
of the cylinder is clean. 
See diagram opposite for 
details.
This product should only be installed by a quali ed 
electrician or competent heating installer and should be 
in accordance with the current edition of the IEEE wiring 
regulations. 
1/2 cylinder 
height
!
Thermostat installation
Installation - Thermostat