Optimized Performance: The DA47-00244U heater metal sheath operates at AC120V and is specifically designed for Samsung refrigerators, ensuring a perfect fit and optimal functioning. This single-pack unit is a direct replacement for old parts. Model Compatibility: This defrost heater is compatible for Samsung models including RF23HCEDBBC, RF23HCEDBSG, RF23HCEDBSR, and more. To ensure compatibility, please provide your model number before purchasing. Direct Replacement: Effortlessly replace old or non-functioning defrost heaters with our model, which directly replaces part numbers PS9603659, AP5914487, and 3955643. Ensure your refrigerator runs efficiently with our reliable part. Exclusive Design: While designed for Samsung, this part is not universal. It is crafted to work seamlessly with specific models such as RF23R6201DT, RF23R6201SG, and others, providing a precise fit and optimal performance. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:Metal Package Contents: 1 * Refrigerator Defrost Heater Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.