Features Momentary push button switch; N.O., Non-lighted green push button, 10A@125/250VAC; SPST, 1/4" tabs, See Notes below for Serial Numbers this part fits Fits: Control Box Model(s) this part fits: 111, 112, 113, 114, 117, 317 Notes: Check Serial Numbers Here: Fits Model 111: From Serial #K-3770 thru present; from BX-1000 thru present and CA-1000 thru present, Fits Models 112, 113, 114, 117 & 317: Fits All Serial Numbers