Genuine fantech transformer fits the following fantech models:

VHR 704R,  VHR704,  VHR70R,  Flex 100H,  VHR 100R,  VHR150,  VHR150R,  VHR2004,  VHR2005R,  SHR1504,  SHR1505R,  SHR2004,  SHR2005R,  SHR 3005R,  SHR 3205R,  Fit 120H,  Fit 120E,  VER150,  SER1504, SER 2004, SER 3204D,  SER1504N,  SER 2004N,  SER 3204N,  VHR 1404/904, VHR 1405R. New HERO Series: 120H, 150H, 200H, 150H-EC, AND 250H-EC

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For FREE Technical Support, please contact fantech at 1-800-565-3548 (please have your unit model number & serial number handy when calling)

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NOTE: In order to ensure your ventilation unit remains in good working condition, you must use fantech genuine replacement parts only. Any third party replacement part used may cause serious damage and drastically reduce the performance level of your unit, which will result in premature failures.