3000W Forced Circulation Engine Block Heater Water Jacket Heater Pre-Heater for Various Engines GX-QZ-3000

Model: GX-ZQ-3000Voltage: AC240V-50HZPower: 3000W-12.5AWorking temperature: adjustable -10~90Water pump voltage: AC240V-50HZPower: 125w-0.4aSuitable for engine displacement (L) 2.5~13Press the left button for 2 seconds: enter the setting: first display the password parameter P230, change the password parameter P230 to P222, then you can modify the high temperature H setting and low temperature L setting.When entering the setting, press the left button to change PXXX-Password P parameter setting; HXXX-High temperature H setting; LXXX-Low temperature L setting.Press the left button again for 2 seconds: exit setting.Press the center button when entering the setting: minus parameter.Press the right button when entering the setting: increase the parameter.Password P parameter setting:P 0---------255, change the password parameter P230 to P222, then you can modify the high temperature H setting and low temperature L setting.High temperature H setting range: H -15------+70 degrees.Low temperature L setting range:L -20------+65 degrees.Measuring temperature C range:C -45------+120 degrees.Temperature greater than +95 degrees, fault red light on, note: the temperature in the +95 ------ +120 degrees has been showing the actual temperature.Temperature greater than +120 degrees, the sensor is considered to be short-circuited or over-temperature, the display of "E001" indicates that the sensor is short-circuited or over-temperature, the fault red light is on.Temperature less than -46 degrees, the sensor is considered open circuit or low temperature, the display "E002" indicates that the sensor is open circuit or low temperature, the fault red light.When the over-temperature protection switch is disconnected, the protection alarm "bHbJ" will be displayed after 3-4 seconds.Temperature greater than or equal to the high temperature H setting range: HXXX,

• Quickly heats engine block for smoother cold starts and reduced wear.
• Low power consumption with high heating performance, ideal for winter.
• Comes with adhesive backing or magnetic base for quick setup.
• Made with high-temp materials; built-in thermal protection.
• Suitable for most cars, trucks, tractors, and small engines.