Connection thread: 2 inchesMounting length: 180 mmPower supply: 220 volts - 50 HzThree-stage speed control with 100 watts, 85 watts, and 46 watts optionsHigh-quality, corrosion-resistant design with ceramic bearings and cast iron housing; maximum operating pressure: 10 bar; suitable for heating and cooling circulation pumps; operating temperature: 2-110 °CThe circulation pump junction box features a three-stage speed control design to adapt to different environments and user needs. Operating temperature ranges from 2 to 110 °C, with flow rates of 50/35/28 liters per minute and heads of 6/5/3 meters.Color: RedMaterial: Cast IronPackage Contents:1 heater pumpOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.