Answer John, No, the defrost heater is not likely to be rated for 220 VAC. Without a model number, it's hard to tell, but what parts we could cross reference from similar model refrigerators all electrical components are rated at 110-120 VAC and 15 amps or less. Get us a model number and we can most likely cross reference a defrost heater rated for 220 VAC. Thanks Read More... Answered by AppliancePartsPros.com | Wednesday, December 30, 2015