... argon arch welding will extend the lifespan of the tank. C. Supports: Made of galvanized sheet, the supports are processed with ... from overheat(stop by temperature controller at 70°C, and by breaker at 110°C). The electric booster, made of Incoloy ... adopted the principle of impulse scanning of the water level, can sense the temperature and water level accurately, preventing the problem of scaling and ...