https://www.overseadia.com/en-US/detail/dfd6bf761b70bb12c606ebf992b97bd6 The CDZL type chain grate biomass & coal fired hot water boiler by Yinchen is a reliable and efficient solution for heating water. With a range of power ratings, fuel options, and thermal efficiency, this boiler is suitable for various applications. The boiler comes with a fixed work stress and can operate at a maximum water temperature of 300℃.