WATERRO flow switch TH – 3/4″ × 3/4″ – Brass The WATERRO TH flow switch is a mechanical inline flow switch designed to detect water flow in water filtration, reverse osmosis and water supply systems. The brass housing provides high corrosion resistance and a long service life. Technical specification Parameter | Value Model | WATERRO Flow Switch – TH Type | Flow switch Connection | 3/4″ × 3/4″ female thread Housing material | Brass Installation | Inline Operating medium | Water Application | Water filtration and water supply systems Key advantages - Mechanical inline flow switch - Durable brass housing - 3/4″ × 3/4″ female-thread connections - Reliable water flow detection - High corrosion resistance - Compact design - Long service life - Suitable for water filtration and water treatment systems