FLOW SWITCH series can be perfect for household water disinfection.

Here are requirements for your water quality as followings
* Maximum operating pressure: 8bar (116 psi)
* Ambient water temperature: 2 - 40 ℃ (36 - 104 ℉)
* Iron < 0.3ppm (0.3 mg / L)
* Hardness < 7gpg (120 mg / L)
* Turbidity < 1 NTU
* UV transmittance > 75%