ZOZEN YQW series thermal fluid heater is simpler to operate. The thermal fluid heater is completely assembled before shipment, which is easy to install, debug and use. This series of gas-fired thermal fluid heater has the features of automatic operation and adjustment of combustion, high tank level, outlet temperature and flow rate. The inlet and outlet of this product adopt the flanges and flange cover structure at both ends to facilitate the installation and arrangement of the boiler room pipes.