This On/Off Switch fits the Pro Plus TA Series heaters manufactured by Desa that have 4 wire terminals on it.
Ready Heater Part No. 120336-01
Fits brand names of Ready Heater, Desa, Master, Remington, Sears, Dayton, John Deere, Knipco and More.
Product Code: T3805
Product Code: T24125
Product Code: T24124