Freeze prevention valve capable of controlling discharge flow rate according to temperature

Flow control devices and methods for using same

Antifreezing apparatus

Automated drip flow valve for freeze protection

Prevention of freezing of outdoor water line

In-ground flushing device

Fluid drainage system and methods

In-ground flushing device

Temperature controlled purge valve for use in water systems

Valve for prevention of frozen break using phase change material

Temperature-responsive fluid flow control apparatus

Fluid drainage system and methods

Integrated freeze protection and pressure relief valve

Systems and methods for monitoring relief valve drain in hot water Heater

Antifreezing valve device for hydraulic and/or water storage systems

Anti-freezing hydrant

Apparatus and method for draining irrigation systems

Products and process that act as a safety valve to prevent scalding

Drain valve

Fluid control system

Freeze protection device for wall hydrants/faucets

System and method for preventing water pipe freeze using internet of things (IOT)