Supco UET120 Refrigerator Defrost Timer Control Universal 120 Volt Electronic DEFROST TIMER CONTROL - The UET Series are universal electronic timers and may be used as a "PLUG-IN-REPLACEMENT" of the original timer. They will directly replace Whirlpool timers. May also be used to replace Paragon and Invensys. PREMIUM REPLACEMENT - Supco UET120 Refrigerator Defrost Timer Control is designed to meet or exceed OEM specifications. HIGHEST-QUALITY PARTS - Supco parts are built to last and a popular choice among repair technicians and DIYers.