Robertshaw Type K / Thermostat. OEM Uses Both Robertshaw And Cotherm Thermostats. Cotherm Num Gtlu0053, 12" Cap, 1/4" X 7" Bulb. Comes With 8" Tube For Mounting With Cap Nut. Rsw [ K-944-12 ] [ Temp 60-200 ] [ Bulb 1/4" X 10" ] Cap 12" ] [ Stuffing Box & Silicone Washer ] [ Dial To Use Call OEM ] Most Use None, Ideal Brewing Temp 195 To 205 Degrees. Bloomfield Coffee OEM Model 8512-51 8512, 8516, 8518, 8540, 8541, 8542, 8543, 8571, 8512-51 8572, 8573, 8574, 8707, 8710, 8711, 8712, 8713, 8512-51 8714, 8715, 8716, 8717, 8718, 8740, 8741, 8742, 8512-51 8746, 8747, 8751, 8752, 8753, 8754, 8755, 8756, 8757, 8512-51 8758, 8781A, 8783Mcd, 9010, 9011, 9012, 9013, 8512-51 9016, 9017, 9102, 9104. Capillary Clamp: # 26-3078 Snap-In, Capillary Clamp # 26-1935 Clip-On Bulb Clamps, Pkg/6,, # 26-1542 Calibration Screw Driver # 72-1007 Capillary Insulation Per Foot: # 85-1161