... valve, solar valve, hydraulic valve, water heater valveModelFCK-48 (2/2 way, 1/2", 1" NPT or G thread, irrigation, big flux solenoid valve)Action ... , AC48V, DC48V, AC36V, DC36V, AC24V, DC24V, AC12V, DC12V, DC9VImpulse 4.5V, impulse 3.6VVariable voltage of supply voltage-10%~10%Insulation resitsanceTested ...