Intermatic Control Center with T104M and 100W Transformer (T10004RT1) airbuttonparts This type of replacement is This type of replacement is especially useful when the surrounding heater housing remains serviceable and the failure is isolated to the element itself AquaRite helps reduce the need for constant manual chlorination while supporting more consistent sanitizer levels and equipment compatibility before ordering or installation The Intermatic Control Center with T104M and 100W Transformer is designed for compatible pool and spa equipment control applications that require timer based operation and low voltage transformer support