CirCon and TemCon are control valves designed for domestic hot water installations with circulation. The Valves are constructed in stainless steel AISI 316 for all parts in contact with water, to secure the highest resistance against corrosion. The valves automatically control the temperature of the water that circulates through the valves. TemCon is equipped with a by- pass located outside the thermal part of the valve. TemCon is used in hot water installations with bacterial problems, e.g. Legionella.