electrochemical systems for use in residential and commercial heating, ventilation, air conditioning (HVAC), and other air and water management systems that can use electrochemical treatment to prevent biofouling; electro-chemical system that prevent heating, ventilation, air conditioning (HVAC) condensate pans and drain lines from becoming clogged; electro-chemical system for keeping heating, ventilation, air conditioning (HVAC) condensate pans and drain lines clean, clear and flowing