Product Feature: Environmentally friendly with silent design Safe: IP65 waterproof case with water-shortage protection Intelligent: Automatically prevents frequent restarts Reliable: Electronic design for long life, over 200,000 operations, anti-vibration Wide application: Suitable for pipeline pumps, booster pumps, self-priming pumps, submersible pumps, and circulating pumps; commonly used in solar heat pump systems, air-source heat pumps, WILO home booster pumps, Grundfos hot water circulation pumps, and other similar applications Tip: Four branch pipes, 20mm diameter Material: Plastic Color: As shown Package Contents: 1 x Water pressure pump Note: Only the items listed above are included; other products are not included Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm