Flow-controlled models turn on at full power while the Thermostatic unit will adjust its power lever according to the incoming water temperature. Flow-controlled units must be fed with cold water only. Thermostatic models can be fed with hot or cold water. Both models are activated by flow.
Cold water feed only.
The above do not produce a lot of heat. Be sure to look at the temperatur rise stats before ordering. The EX95 has a super low price It is our most popular model. When ordering, please be sure that the temp. When ordering, please be sure that the temperature rise is adequate for your needs.