Founded in 1926, Spence is an essential engineering and manufacturing company for HVAC, commercial, and institutional facilities. Technicians use Spence products for heating systems in buildings, institutions, and district heating systems as well as industrial plants. Widely recognized as a leader in the steam regulator and flow control fields, Spence technologies offer the maximum application and selection flexibility your steam system and requirements of today's industrial marketplace needs.

Direct Operated Valves provide pressure and temperature control for your application. The 2000 Series is a self-operated temperature regulator available with single or double seat in direct or reverse acting. Also available with two seat areas for 3-way mixing.