003N8162, Danfoss AVTA Thermostatic Valve, AVTA thermostatic valve from Danfoss is a reliable, self-acting thermostatic valve with temperature sensitive sensor for use in cooling applications; 25-65°C ; 3/4" NPT. The AVTA thermostatically operated cooling valve is intended to proportionally control cooling processes. By placing the sensing bulb in the medium to be cooled, the AVTA will control the flow of cooling medium. "Set and Forget!" The AVTA requires no power supply and is self-acting.