TECOPONIC - HY500 HYDROPONIC WATER CHILLER + HEATINGTECOPONIC HY500 Awater refrigeration system within hydroponic systems. It is capable of cooling volumes of water up to 500 liters of solution. The HY500 chiller and heater comes standard with a heater built into the unit (previously, it had to be purchased and installed separately). The integrated heater offers better control over the water temperature and can be operated via the digital thermostat. Particularly suitable in those situations where the