AgilentThermal switch, set at 300 °F (147 °C), for VHS-4, VHS-6, VHS-250, VHS-10, and VHS-400 diffusion pumpsSKU · 642906025
AgilentThermostat, lower switch, set at 390°F (199 °C), for HS-16 and HS-20 diffusion pumpsSKU · K9050002
AgilentThermostat, set open at 140 °F (60 °C), close at 170 °F (77°C), for AX-65 diffusion pumpSKU · L9964002