Engineered for durability, the 6HR. 25MINS Plastic Defrost Timer (sankyo) (TMDJ625RN9) is a trusted timer and defrost control made for automating defrost cycles and equipment run schedules. Precision-made for a secure fit and long service life, it stands up to the demands of daily professional use. As a genuine Sankyo product, it offers the fit, finish, and reliability that technicians trust. Whether you are an HVAC technician, contractor, or hands-on homeowner, this timer and defrost control is an essential addition to your controls and thermostats supplies. Order today and keep your air-conditioning or refrigeration system running at its best.