... available without fan (HV 031) as well as with fan (HVL 031). Technical Data HV 031 Heater without fan ( ... 2-pole screw connector 2.5mm2(L2/N2)HVL 031 only: Axial fan, ball bearing airflow see tableservice ... (77°F) Art. No. HV 031 230VAC, 50/60Hz Art. No. HV 031 120VAC, 50/60Hz Heating capacity DimensionsWeight ... 22mm0.50kg Art. No. HV 031 230VAC, 50/60Hz Art. No. HV 031 120VAC, 50/60Hz Heating capacity ...