I-defrost drain heater heater iyirabha ye-silicone, ingasetshenziselwa isiqandisi, isiqandisi, igumbi elibandayo, i-cole storage, njll. Ubude be-heater heater buno-0.5M, 1M, 2M, 3M, 4M, njll.I-Voltahe yi-12V-230V , amandla angenziwa 10-50W imitha ngayinye.