Add to Cart Quick view Buchi R-215 Rotavapor with V-850 Vacuum Controller and B-491 Heating Bath Buchi Was: $3,150.00 Was: $8,500.00 Buchi R-215 Rotavapor With Vacuum Controller (V-850) and Heating Bath (B-491) Unit appears to be in working condition. Rotavapor control is functional and RPMs can be set with no apparent issues... 52769 SKU: 52769 Weight: 50.00 LBS