Bryan Steam LLC(Peru, IN) has published a new boiler comparison guide that compares the characteristics of flexible watertube steel boilers to firetube steel, cast iron boilers, and competitive watertube boilers. The eight-page guide compares installation and assembly requirements, service life, space requirements, maintenance, operating efficiency, fuels, and firing options and provides information on specialty applications and available accessories. Comparison results are presented in graph, illustration and written form.