Hot and cold whole set product features: Japan and Europe and high quality compressor and Taiwan pump, safety and tranquility, power-saving and durable. Using oxygen-free copper pipe welding Heating power switch Imports of advanced components, long service life Used in Germany, Schneider Control mode: adopting imported microcomputer control Security improved, fault maintenance. maintenance without professionals Designs of chiller and radiator and unique, heat exchange efficiency is very high Some models can be used two sets of compressor heads. can be used alone or together Temperature control range: water temperature + 5 ?-50 ?