Complete reaction assembly utilizing an Ace-Thred instead of a ground joint for improved immersion well / cooling tube seal. Features a 14/20 angled joint for sparger tube, 24/40 vertical joint for a condenser and a #7 Ace-Thred thermometer joint. Actual working volumes are 40 to 50% of stated capacity. Available in international operating voltages. Power units are not CSA, CE or UL rated. Lamp and power supply are 450 watt.