Installed a tankles water heater my wife and i were very satisfied with the overall service from the office courteousness to the nice demeanor of the technicians that did the job ron and james were very good at their job. While this may not seem like a major issue. Cemline electric elements and controls are mounted in a nema i enclosure with key lock door. Plumbers in group 2b are required to go through. Call.
Most conventional steam boilers are classed as either fire-tube or watertube types in the fire-tube type, the water surrounds the steel tubes through which hot gases from the furnace flow the steam generated collects above the water level in a cylindrically shaped drum a safety valve is set to allow escape of steam at pressures above normal.