#18430 Electric heat. *30 head capacity. The EcoFount 1 is the newest, most energy efficient, electric standard heated line of Ritchie automatic waterers. The flip top cover design will allow for easy cleaning and maintenance and the fully insulated casing will provide excellent protection against the coldest winters. •Designed with energy efficiency in mind. The stainless steel trough is surrounded by extremely durable and fully insulated poly •Patented plastic drink well helps insulate water and keep thermal cap in place •Floating thermal caps and patented plastic drink wells minimize heat lost in winter, keeps water cool and reduces algae growth in summer.