American Standard® Evaporator Defrost Controller, For Use With: Model 4TTR3018H1000N, 4TTR3024H1000N, 4TTR3030G1000N, 4TTR3036G1000N Split-System Cooling Units
| Suitable For Use With | : | Model 4TTR3018H1000N, 4TTR3024H1000N, 4TTR3030G1000N, 4TTR3036G1000N Split-System Cooling Units |