Redring Expressions TCO
I think you may have a faulty Thermal Cut Out
A faulty TCO will have no continuity across the two terminals (The black thing on top of the heating tank)
Therefore a good TCO will have power at both connections and a faulty TCO will have power at only one.
(The function of the TCO is, if the water over heats it cuts the power off to the elements)
See Video.
http://www.youtube.com/user/showerdoc#p/u/2/_zi8JbEMYMs
It is this TCO that is used across the expressions range
http://www.showerdoc.com/shower-spares/redring/REDR-93597836-Redring-Thermal-Cut-out-93597836
Answered 13 years ago by The Shower Doctor
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