Profile: King Electrical Mfg. specializes in electrical heating. Our product line includes heaters, hydronic heaters, thermostats and stainless steels. Our PAW series heaters are of 120volt · 240volt with a quiet fan forced wall type mountings. Our H series hydronic water heaters are compact with a flow through design. They are equipped with silent operating two side blower, terminal board for wiring connections, bare copper tube ends for water connections. Our ESP23O electronic programmable line voltage is a contemporary design with a even temperature control with a electronic temperature sensing unit.