Triton T80SI
Check that mains stopcock and any isolation valve insupply to shower are fully open.
Check that hose is not kinked or collapsed internally and the head is clear.
Check the filter in the inlet to the solenoid is clear.
Check that dynamic pressure is at least 1.0bar.
If all above are ok then it may be the stabiliser valve is at fault, a replacement can be ordered online by clicking on the link below.
http://www.showerdoc.com/shower-spares/triton/TRITO-83300450-Solenoid-valve-assembly
Regarding a pumped unit if you are supplied from the water mains it is illegal to install such a unit.
Answered 13 years ago by Anonymous
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Triton T80si Shower Spares
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