water regulator,thermostat,instant water heater save water, high quality,resonable price, with a strainer water regulator,thermostat,instant water heater1. Water pressure: 0.05-1MPa (if more than 0.5MPa it is suggested to install a fluxreducer)2. Ideal water pressure: 0.05-0.5MPa3. It has a strainer inside, to fliter the gravel.