On 2007-03-20, jim wrote:

Not that Iam aware of they will not heat or make up for lack of hot
water. If you are going to run the system you describe it will cost
you a fair amont of electricity

No, no, obviously I don't expect the valve to provide water outside of
the range of temperatures supplied to it. But some "thermostatic"
valves say they don't adjust for fluctuating supply temperature, just
supply pressure, e.g. some Deltas. That doesn't seem very
thermostatic to me.

Cheers, Wayne