Turn-key reactor system featuring a one-piece, unjacketed, pressure vessel with a combination Ace-thred valve and 28/15 o-ring ball joint bottom outlet. Vessel top has a 25mm Ace-thred center neck and various multi-neck configurations. System is designed to perform positive pressure reactions at up to 45 psi at 100 degrees C. Included are a heating mantle and controller, stirring shaft and controller, addition funnel, condenser and manifold.