1、Have automatic start and stop function of the pressure switch, and the built‑in bypass switch return function can greatly reduce the frequent start and stop of the pressure switch, which can meet your needs. 2、Diaphragm adopts original primary granular material, which has high purity and long life, and the body is made of PA66+30% glass fiber material, which has high strength, pressure resistance, and is not easy to leak. 3、The noise is around 55‑60 decibels, and the noise of fixed installation is lower. Also, equipped with high‑quality all‑copper motors with low power consumption, high performance and stable operation. 4、Be used in high‑temperature weather and media, and the temperature of the media can reach 65℃. Also the water pump has a strong self‑priming ability, and the self‑priming range of the pump can reach 3 meters. 5、Equipped with a variety of joints, 360° flexible installation without dead angles, and it is convenient to install in various directions in a limited space, which can bring you lots of new experience. Item Type: Diaphragm Pump Material: Engineering Plastic Plug Voltage: EU Plug 220V Material: Engineering Plastic Purpose: Booster Pump Drive Mode: Electric Pump Shaft Position: Horizontal Suction Caliber: Approx. 20mm / 0.8in Exclude Caliber: Approx. 20mm / 0.8in Impeller Structure: Closed Impeller Number of Impellers: Single Stage Impeller Suction Method: Single Suction Delivery Medium: Clean Water Pump Head: 30 (m) Speed: 2800 (r/m) Power: 143 (kw) Flow Rate: 17.5 (m3/h) Maximum Flow: 4.5GPM 1 x Diaphragm Pump 1 x Filter 2 x Transfer Interface 1 x Manual