Boiler Conductivity ControllerWhere can I buy a boiler conductivity controller?Controller are typically not locally sourced. You can buy a boiler conductivity control directly online. What are boiler conductivity controllers?Boiler conductivity controllers are used to control the boiler water chemicals and to control water usage.What type of controller do I need for my boiler?If you have a very large boiler system and it is a continuous blowdown boiler, you may not require a motorized ball valve. For smaller systems, the boiler blowdown valve is included to allow for proper sampling and control of the boiler water chemistry.