Reliable performance This water flow switch provides consistent and dependable operation for your heat pump air conditioner. Its reliable function helps extend your system’s life and reduces the risk of costly repairs. Easy installation User friendly design, clearly marked connections, and a straightforward setup make this water flow sensor easy to install and operate for both professionals and DIY enthusiasts. Precision monitoring Designed for accurate monitoring of water flow rates. The sensitive paddle mechanism ensures precise detection, supporting optimal system performance and helping prevent malfunctions. Adjustable design Features an adjustable female-thread connection for seamless integration with various heat pump air conditioners. This versatile design supports multiple systems, making installation quick and hassle-free. Key benefits - Protects equipment by ensuring correct water flow, reducing downtime and repair costs - Improves efficiency and longevity of heat pump AC units - Enables easy replacement or retrofit due to standard adjustable connection Use scenarios - New installation in a residential heat pump system that requires reliable water flow monitoring - Replacement for a faulty flow switch in an existing unit to restore proper operation - Retrofit across different brands/models thanks to the adjustable female-thread connection