Agilent Varian NHS-35 Lower Thermal Switch, Diffusion Vacuum Pump Replacement Parts
Agilent Varian Part Number PN K9050006
This is a replacement lower thermal (boiler) switch. Fits the Agilent Varian NHS-35 Diffusion Pump.
Set at 600º F, 316º C.
For location of the upper thermal switch see figure #9 (diagram exploded view & parts illustration) below.