Seiko Seiki STC-G 0283 Turbo Molecular Pump Control Unit STP Thermo Controller. Turbo Molecular Pump Control Unit. Track Page Views With. Auctiva’s FREE Counter. This item is in the category “Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps”. The seller is “dr.dantom” and is located in this country: IL. This item can be shipped worldwide.