Rather than hijack the previous thread on these showers.
The one thing that is not made clear on the manufacturer or related
websites for venturi showers is what the *minimum* hot water
temperature should be. Has anyone any idea ? We all know what is
comfortable for us in the shower - I've just measured our's at 42 C -
but if the cold water is coming in at say 6C and has to "suck up"
sufficient hot water to raise it to that temperature, then there must
be a minimum HW temperature. OK if I measured the flow rates, etc. it
could possibly be calculated, but ...
Another thought is that the HW head / pressure is obvious, but the
mains pressure would be measured in a static situation only and will
be consistent throughout the system regardless of restrictions in the
pipework - but there must also be a flow parameter requirement.
- posted 12 years ago