herald (plural heralds) 1  A messenger, especially one bringing important news. 2  A harbinger, giving signs of things to come. ( 3 heraldry) An official whose speciality is heraldry, especially one between the ranks of pursuivant and king-of-arms. ( entomology) A moth of the species Scoliopteryx libatrix.
a fire nozzle weighs approximately  ten to fifteen pounds.
A tankless water heater, or on-demand water heater, typically weighs about 25 pounds and can be mounted on a wall taking up about two square feet of wall space. This versatility means that these units can fit practically anywhere, often freeing up valuable space in garages and closets.