VR 250W/0.6-MVje 230AC Heating element with HBE magnet Free lying in the oil tank power 250 W voltage 230 V length 300 mm protection IP65 0.6 HFA /HFD-R
OL20, 400W, 1x230V, 50Hz Heater screw heating element with ST 34-2 steel casing power 400W voltage 1x230V, 50Hz surface load 1.5 W / cm2 thread G1 1/2 " installation depth 200 mm casing diameter 42 mm galvanized cover with bushing IP65 protection