SZL hot water boiler,as one kind of chain grate boiler,was developed in the 80s as a new type of water tube boiler.Over the past three decades,they have won the high praise form customers at home and aboard,and widely used in the hotels, laundromats, apartments,hospitals,nursing homes,greenhouses,etc.The hot water boiler combines excellent reliability and durability with high thermal performance,which makes itself one of the most widely distributed products of ZG.It can use coal and biomass as fuel.